63results about How to "Disadvantages of lower usage" patented technology

The invention discloses a dual-phase α+β magnesium-lithium alloy with excellent casting performance and heat transfer performance and a processing technology thereof. According to weight percentage, the composition of the alloy is: Li: 8.0‑10.0wt.%, Ge: 0.2‑0.8wt.%, Cd: 0.6‑0.8wt.%, Bi: 0.2‑0.5wt.%, Zr: 0.4‑ 0.8wt.%, Pd: 0.1‑0.2wt.%, Cu: 0.3‑0.5wt.%, Al: 1.8‑3.4wt.%, Fe: 0.2‑0.5wt.%, Mn: 0.1‑0.4wt.%, The balance is magnesium. The magnesium-lithium alloy for die-casting has high thermal conductivity that traditional magnesium-lithium alloys do not possess. This enables the alloy to have further specific applications in the occasions where the heat generation is large and the weight of the device is required, and it is convenient for large-scale industrial application.

The invention discloses an antiflaming aluminum-lithium alloy including Sc and Te and a machining process thereof. The antiflaming aluminum-lithium alloy is smelted between 700 DEG C and 800 DEG C. The chemical ingredients of the alloy include, by weight percent, 2.0 wt.% to 6.0 wt.% of Li, 2.0 wt.% to 3.0 wt.% of Sc, 4.0 wt.% to 8.0 wt.% of Sr, 1.0 wt.% to 2.0 wt.% of Te, 2.0 wt.% to 4.0 wt.% ofSi, 1.0 wt.% to 2.0 wt.% of Sn, 0.5 wt.% to 1.5 wt.% of Er, 0.2 wt.% to 0.8 wt.% of Yb, 0.2 wt.% to 0.4 wt.% of Nd and the balance aluminum. The alloy smelt has extremely excellent antiflaming performance in a static state; and in a dynamic process, after a surface film of the alloy is damaged due to intense stirring, the surface film can still be regenerated fast, and oxidative combustion of thealloy is successfully hindered.

The invention discloses a corrosion-resistant Au-Li-Os gold-lithium alloy for electrical contact materials. In terms of weight percentage, the chemical composition of the alloy is: Li:0.2‑0.6wt.%, Os:0.2‑0.3wt.%, Ca:0.5‑1.5wt.%, Sb:0.2‑0.4wt.%, Sn:1.0‑ 1.5wt.%, Co: 0.4‑0.5wt.%, Mo: 0.1‑0.2wt.%, Pd: 0.2‑0.4wt.%, Si: 0.1‑0.2wt.%, B: 0.2‑0.4wt.%, The balance is gold. Compared with traditional electrical contact gold alloys, the material has excellent mechanical properties, high electrical conductivity and high corrosion resistance.

The invention discloses a high-wear-resistance high-thermal-conductivity zinc alloy containing strontium and sodium. The alloy comprises, by weight, 0.8-1.2wt% of Na, 0.2-0.3wt% of Sr, 4. 5-6.3wt% ofIn, 0.8-1.2wt% of Zr, 0.4-0. 8wt% of Si, 2.4-3.6wt% of Sn, 0.2-0.5wt% of Yb, 0.1-0.2wt% of Nd, 0.8-1.0wt% of S and the balance of zinc. Compared with a traditional zinc alloy, the high-wear-resistancehigh-thermal-conductivity zinc alloy containing strontium and sodium has excellent mechanical property and heat conduction performance.

The invention discloses an aluminum-lithium alloy with extremely excellent die-casting performance when smelted between 700-800 degrees and a processing technology thereof. In terms of weight percentage, the chemical composition of the alloy is: Li: 4.0‑8.0wt.%, Sr: 1.0‑1.5wt.%, Si: 2.0‑3.0wt.%, Mg: 1.0‑1.5wt.%, Ge: 0.5 ‑1.2wt.%, Th: 0.1‑0.3wt.%, Nd: 0.2‑0.5wt.%, B: 0.5‑1.2wt.%, and the balance is aluminum. The aluminum-lithium alloy material has good casting properties and is suitable for pressure casting of thin-walled parts under a protective atmosphere. It is especially suitable for casting lightweight structural materials that require lightweight features, and has a huge market prospect.

The invention discloses a high-strength aluminum-yttrium alloy containing Ca and Hf for pressure casting and a processing process thereof. The high-strength aluminum-yttrium alloy containing Ca and Hfis prepared from chemical components: by weight percent, 0.8-2.0 wt.% of Y, 0.6-0.8 wt.% of Ba, 2.5-3.2 wt.% of Zn, 0.6-1.5 wt.% of Ca, 0.4-0.9 wt.% of Cu, 0.1-0.2 wt.% of Zr, 0.2-0.5 wt.% of Hf, 0.6-0.8 wt.% of Er and the balance aluminum. The aluminum-yttrium alloy material has good casting performance, and is suitable for pressure casting of thin-wall parts under a protective atmosphere. The aluminum-yttrium alloy material is especially suitable for casting light-type-structure materials requiring lightweight characteristics, and has broad market prospects.

The invention discloses a platinum alloy containing Sc and used as a high-conductivity and high-heat-conduction electrical contact material. In terms of weight percentage, the chemical composition of the alloy is: Sc:1.5‑2.0wt.%, Y:1.5‑2.0wt.%, Mo:0.8‑1.2wt.%, Sn:0.2‑0.6wt.%, Si:1.2‑ 2.6wt.%, Pd: 0.5‑1.0wt.%, Ho: 0.2‑0.6wt.%, Pr: 0.2‑0.5wt.%, B: 0.2‑0.5wt.%, and the balance is platinum. Compared with traditional electrical contact platinum alloys, this material has excellent mechanical properties, thermal conductivity and electrical conductivity.

The invention discloses an Al-Li-Mn aluminum-lithium alloy with combustion resistance when smelted between 700-800 degrees and a processing technology thereof. In terms of weight percentage, the chemical composition of the alloy is: Li: 2.0‑6.0wt.%, Mn: 1.0‑3.0wt.%, Sr: 2.0‑6.0wt.%, Ba: 1.0‑2.0wt.%, Sc: 1.0 ‑2.0wt.%, Pr: 0.1‑0.8wt.%, Tb: 0.2‑0.4wt.%, B: 1.0‑2.0wt.%, and the balance is aluminum. This patent provides a novel material science solution for the current situation that aluminum-lithium alloys need to be protected and smelted at high temperatures. The type, composition and content of the oxide film and nitride film formed on the surface of the melt are changed by screening alloying elements. In the process of melt treatment such as stirring and air blowing, when the surface film is destroyed by violent stirring, it can still be regenerated quickly, successfully preventing the oxidative combustion of the alloy. The obtained alloy surface oxide film and nitride film have very good plasticity and viscosity, can completely spread and cover the alloy surface, and effectively prevent oxygen from invading into the alloy liquid.

The invention discloses an Ag-Li-Sn silver lithium electrical contact alloy with high thermal conductivity and damping and a processing technology thereof. By weight percentage, the chemical composition of the alloy is: Li:0.5‑3.0wt.%, Sn:1.0‑1.5wt.%, Zn:2.0‑4.0wt.%, Ba:0.5‑1.5wt.%, Sr:0.5‑ 1.2wt.%, Pd: 0.2‑0.4wt.%, Zr: 0.2‑0.3wt.%, Th: 0.1‑0.2wt.%, Ce: 0.5‑0.8wt.%, B: 0.5‑1.0wt.%, The balance is silver. Compared with silver alloys used in traditional electrical contact materials, this material has excellent mechanical properties, high electrical conductivity and high damping coefficient.

The invention discloses a Mg-Li-V alloy with combustion resistance during smelting and a processing technology thereof. In terms of weight percentage, the composition of the alloy is: Li:6.0‑18.0wt.%, V:2.0‑6.0wt.%, Ca:2.0‑3.0wt.%, Sr:3.0‑6.0wt.%, Si:1.0‑ 2.0wt.%, Tb: 0.2‑0.4wt.%, Nd: 0.1‑0.2wt.%, Yb: 0.2‑0.3wt.%, B: 1.0‑2.0wt.%, and the balance is magnesium. The invention provides a novel material science solution for the current situation that protective melting of magnesium-lithium alloys at high temperatures needs to be carried out during melting. By screening the alloy elements to change the type, composition and content of the oxide film and nitride film formed on the surface of the melt, a dense and durable protective film is formed on the surface of the magnesium-lithium melt. The ignition temperature of the magnesium-lithium alloy can be obviously increased, and the burning phenomenon of the magnesium-lithium alloy smelted in the atmospheric state can be effectively prevented. The obtained magnesium-lithium alloy material has the mechanical properties of traditional magnesium-lithium alloys at room temperature, and has high-temperature mechanical properties that traditional magnesium-lithium alloys do not have: at 150 degrees, the yield strength is 100-120MPa, while the traditional material at 150 degrees, yields The strength is about 65MPa.

The invention discloses a high-damping Ag-Li-Sn silver-lithium alloy with electrical conductivity close to that of pure silver. In terms of weight percentage, the chemical composition of the alloy is: Li:0.5‑3.4wt.%, Sn:2.6‑3.8wt.%, Be:0.2‑0.5wt.%, Hf:0.1‑0.3wt.%, Sr:0.5‑ 0.8wt.%, Ge: 0.2‑0.4wt.%, In: 0.1‑0.3wt.%, Ta: 0.1‑0.3wt.%, Gd: 0.2‑0.3wt.%, B: 0.2‑0.4wt.%, The balance is silver. Compared with traditional electrical contact silver alloys, the material has excellent mechanical properties, high electrical conductivity and excellent damping properties.

The invention discloses a ultralight flame-retardant and high-damping Al-Mg-Li-Sn aluminum lithium alloy and a machining process thereof. The ultralight flame-retardant and high-damping Al-Mg-Li-Sn aluminum lithium alloy comprises the following chemical components in percentage by weight: 6.0-8.0 wt.% of Li, 8.0-12.0 wt.% of Mg, 2.0-3.0 wt.% of Sn, 2.0-4.0 wt.% of Sr, 0.5-1.0 wt.% of Ca, 0.5-0.8 wt.% of Ge, 0.2-0.6 wt.% of Zr, 0.1-0.2 wt.% of Pr, 0.4-0.8 wt.% of S, 1.2-1.5 wt.% of B, and the balance of aluminum. The material has the mechanical performances of a traditional aluminum lithium alloy, and achieves low density and high damping performance, which are not owned by the traditional aluminum lithium alloy; SDC is 3-10%; and SDC of the traditional material is about 0.5-0.8%.

The invention discloses a single-phase β-magnesium-lithium alloy with excellent casting performance and heat transfer performance and a processing technology thereof. According to weight percentage, the composition of the alloy is: Li: 13.0‑18.0wt.%, Cu: 1.2‑2.3wt.%, Bi: 0.4‑0.6wt.%, Sb: 0.2‑0.5wt.%, V: 0.1‑ 0.2wt.%, W: 0.1‑0.2wt.%, Ag: 0.8‑1.2wt.%, Ge: 0.3‑0.6wt.%, Co: 0.1‑0.2wt.%, and the balance is magnesium. The magnesium-lithium alloy for die-casting has high thermal conductivity that traditional magnesium-lithium alloys do not have. This enables the alloy to have further specific applications in the occasions where the heat generation is large and the weight of the device is required, and it is convenient for large-scale industrial application.

The invention discloses an aluminum-strontium alloy with extremely excellent die-casting performance when smelted between 700-800 degrees and a processing technology thereof. In terms of weight percentage, the chemical composition of the alloy is: Sr: 1.0‑1.6wt.%, Ca: 0.4‑0.5wt.%, Ge: 1.2‑1.5wt.%, Ru: 0.4‑0.6wt.%, V: 0.2 ‑0.5wt.%, Ti: 0.1‑0.2wt.%, Sm: 0.2‑0.3wt.%, Eu: 0.1‑0.2wt.%, and the balance is aluminum. The aluminum-strontium alloy material has good casting properties and is suitable for pressure casting of thin-walled parts under a protective atmosphere. It is especially suitable for casting lightweight structural materials that require lightweight features, and has a huge market prospect.

The invention discloses an Al-Li-Ta aluminum and lithium alloy and a machining technology thereof. The Al-Li-Ta aluminum and lithium alloy is smelted at the temperature of 700-800 DEG C and has a combustion resistant property. The Al-Li-Ta alloy is composed of, by weight, 2.0-6.0% of Li, 1.0-2.0% of Ta, 2.0-8.0% of Sr, 1.0-4.0% of In, 0.2-0.6% of Gd, 0.2-0.4% of Dy, 0.1-0.2% of Ho, 1.0-2.5% of B and the balance aluminum. By adopting the optimized alloying method, the utilization amount of the alloy elements can be reduced greatly, a very good combustion resistant effect can be achieved, and the combustion point of the alloy rises sharply while the content of the combustion resistant elements is reduced obviously. The purpose that the alloy can be subjected to heat preservation and standingfor 5 hours without obvious combustion under the atmosphere environment within the range of 700-800 DEG C. The alloy material has the mechanical property of a traditional aluminum and lithium alloy,the yield strength is 400-650 MPa, the tensile strength is 500-750 MPa, and the ductility is 4-15%. Meanwhile, the alloy has the high heat conductivity property which the traditional aluminum and lithium alloy does not have, the heat conductivity coefficient is 120-140W / m.K, while the heat conductivity coefficient of the traditional aluminum and lithium alloy is about 85W / m.K.

The invention discloses Sn-Li-Pt lithium tin alloy close to pure tin heat transmission performance and a processing process of the Sn-Li-Pt lithium tin alloy. The Sn-Li-Pt lithium tin alloy comprisesthe components of, by weight, 1.8-2.4% of Li, 0.4-0.6% of Pt, 1.2-1.6% of Ge, 0.2-0.4% of V, 0.2-0.4% of Sc, 0.1-0.2% of Sm, and the balance tin. The lithium tin alloy has a high heat transmission performance not possessed by a traditional tin alloy. The melting point is 120-130 degrees. According to the Sn-Li-Pt lithium tin alloy close to pure tin heat transmission performance, the alloy has further specific application in the site that heating value is large, and device lightweight is needed; industrialize large-scale application is facilitated.

The invention discloses a high thermal conductivity flame-retardant Al-Li-Co-Se aluminum-lithium alloy smelted between 700-800 degrees and a processing technology thereof. In terms of weight percentage, the chemical composition of the alloy is: Li: 6.0‑14.0wt.%, Co: 1.0‑4.0wt.%, Se: 1.0‑3.0wt.%, Sr: 4.0‑6.0wt.%, Pd: 1.0 ‑2.0wt.%, Ge: 0.1‑0.5wt.%, B: 1.2‑2.4wt.%, S: 0.5‑1.5wt.%, and the balance is aluminum. This patent provides a novel solution to the current situation that aluminum-lithium alloys need to be protected and smelted during smelting at high temperatures. Through the optimal alloying method, not only the disadvantage of the amount of alloying elements used can be greatly reduced, but also a very good flame retardant effect can be obtained. While the content of flame retardant elements is significantly reduced, the ignition point of the alloy is greatly increased. The obtained alloy surface oxide film has very good plasticity and viscosity, can completely spread and cover the alloy surface, and effectively prevent oxygen from invading into the alloy liquid. While ensuring the mechanical properties of common aluminum-lithium alloys, it has high thermal conductivity that traditional aluminum-lithium alloys do not have: the heat transfer coefficient is 120-140W / m.K, while the traditional aluminum-lithium alloy is about 85W / m.K.

The invention discloses an Al-Li-V aluminum lithium alloy and a processing technique of the Al-Li-V aluminum lithium alloy, wherein the Al-Li-V aluminum lithium alloy has an anti-burning property whensmelted at the temperature of 700-800 DEG C. The Al-Li-V aluminum lithium alloy comprises the following components by weight percent: 2.0-8.0 wt.% of Li, 2.0-4.0 wt.% of V, 2.0-4.0 wt.% of Ca, 1.0-2.0 wt.% of Sr, 1.0-2.0 wt.% of Sn, 0.4-0.8 wt.% of In, 0.2-0.4 wt.% of Pr, 0.1-0.2 wt.% Yb, 0.5-1.0 wt.% of S, 1.0-2.0 wt.% of B, and the balance of Al. Through an optimized alloying method, the defectof the use amount of the alloy elements is greatly reduced, the quite excellent flame retardant effect is also acquired, and the ignition point of the alloy is greatly improved while the content of the flame retardant element is obviously reduced. The Al-Li-V aluminum lithium alloy does not burn obviously after being thermally preserved and standing for 5 hours within the scope of 700-800 DEG C under the atmospheric environment. The material has the mechanical property of the traditional aluminum lithium alloy, the yield strength is 400-650 MPa, the tensile strength is 500-750 MPa, and the percentage of elongation is 4-15%. The Al-Li-V aluminum lithium alloy has the high heat conducting property that the traditional aluminum lithium alloy does not have, the heat conductivity is 120-140 W / m.k, and the heat conductivity is of the traditional aluminum lithium alloy is about 85 W / m.k.

The invention discloses a Li-Al-Sn-containing high-damping high-thermal-conductivity Zn-Li alloy. The alloy comprises, by weight, 0.4-1.5% of Li, 10.0-18.5% of Al, 0.2-0.4% of Ba, 0.4-0.5% of Sn, 0.5-0.9% of Mg, 0.5-0.6% of Y, 0.2-0.5% of Mo, 0.1-0.2% of Th, 0.2-0.3% of Er, and the balance Zn. Compared with a traditional Zn alloy, the Li-Al-Sn-containing high-damping high-thermal-conductivity Zn-Li alloy has excellent damping performance and heat conductivity.

The invention discloses a palladium-magnesium alloy for a magnesium-containing high-conductivity and high-damping electrical contact material. In terms of weight percentage, the chemical composition of the alloy is: Mg: 4.5‑7.0wt.%, Zn: 1.5‑3.0wt.%, Ru: 0.2‑0.4wt.%, Os: 0.2‑0.5wt.%, Ge: 1.0‑ 1.5wt.%, Nb: 0.4‑0.5wt.%, Y: 0.2‑0.6wt.%, Sc: 0.2‑0.4wt.%, B: 0.5‑0.9wt.%, and the balance is palladium. Compared with the traditional electrical contact palladium alloy, the material has excellent mechanical properties, high electrical conductivity and high damping performance.

The invention discloses a palladium-magnesium alloy for a magnesium-containing high-conductivity and high-strength electrical contact material. In terms of weight percentage, the chemical composition of the alloy is: Mg: 1.5‑3.0wt.%, Hf: 0.2‑0.8wt.%, Re: 0.2‑1.4wt.%, Sn: 1.2‑1.4wt.%, Al: 1.0‑ 1.5wt.%, Co: 0.4‑0.5wt.%, Ag: 0.2‑0.8wt.%, Si: 0.2‑0.4wt.%, Ge: 0.1‑0.2wt.%, B: 0.2‑0.5wt.%, The balance is palladium. Compared with the traditional electrical contact palladium alloy, the material has excellent mechanical properties and high electrical conductivity.

The invention discloses high-strength corrosion-resistant Pb-Li-Si lead-lithium alloy for a shielding material and a processing technology thereof. The alloy comprises the following components of, byweight, 0.4-2.5 wt.% of Li, 1.8-3.6 wt.% of Si, 1.4-2.3 wt.% of Bi, 0.8-1.2 wt.% of Ni, 0.2-0.4 wt.% of Sn, 0.1-0.2 wt.% of La and the balance lead. The lead-lithium alloy has the high strength and the corrosion resistance which are not possessed by the lead alloy used by the traditional shielding material. The alloy and the method can be effectively applied to the fields of nuclear reactors, medical radiation source shielding, nuclear waste treatment and the like; and the production process is simple, the equipment requirement is low, and the large-scale industrial application is faciliated.

The invention discloses a zinc alloy containing In and Ba suitable for die casting. By weight percentage, the chemical composition of the alloy is: Ba:0.8‑1.2wt.%,In:1.2‑1.5wt.%,Pd:0.2‑0.3wt.%,Cu:0.6‑0.8wt.%,Ge:0.5‑ 1.0wt.%, Y: 0.1‑0.3wt.%, Mo: 0.2‑0.4wt.%, Hf: 0.1‑0.2wt.%, Gd: 0.2‑0.5wt.%, and the balance is zinc. Compared with traditional zinc alloys, the material has excellent casting properties and mechanical properties.

The invention discloses a corrosion-resistant Cu-Li-Os copper-lithium alloy with conductivity close to that of pure copper. In terms of weight percentage, the chemical composition of the alloy is: Li:0.5‑1.2wt.%, Os:0.2‑0.4wt.%, Pt:0.4‑0.8wt.%, Al:0.2‑0.6wt.%, Sr:1.0‑ 1.5wt.%, Bi: 0.2‑0.4wt.%, Ga: 0.2‑1.2wt.%, Ag: 0.2‑0.4wt.%, Ho: 0.1‑0.2wt.%, B: 0.2‑0.6wt.%, The balance is copper. Compared with traditional copper alloys for cables, this material has excellent mechanical properties, excellent corrosion resistance and high electrical conductivity.

The invention discloses a Cu-Li-Sc copper-lithium alloy with high thermal conductivity close to the conductivity of pure copper. In terms of weight percentage, the chemical composition of the alloy is: Li:0.2‑1.0wt.%, Sc:0.2‑0.8wt.%, Pd:0.4‑1.2wt.%, In:0.4‑0.8wt.%, Sr:1.5‑ 2.0wt.%, Cr: 0.4‑0.8wt.%, Ru: 0.2‑0.6wt.%, Ir: 0.2‑0.5wt.%, Pr: 0.1‑0.2wt.%, B: 0.4‑1.0wt.%, The balance is copper. Compared with traditional copper alloys for cables, this material has excellent mechanical properties, high electrical conductivity and high thermal conductivity.

The invention discloses corrosion-resistant Ag-Li-Y silver-lithium alloy approximating pure-silver electric conductivity. The corrosion-resistant Ag-Li-Y silver-lithium alloy comprises the chemical components of, by weight, 0.5%-3.2% of Li, 0.2%-0.5% of Y, 0.8%-1.2% of Mg, 0.2%-0.4% of Ti, 0.8%-1.5% of Ca, 0.1%-0.3% of Ge, 0.2%-0.4% of Pt, 0.1%-0.5% of Th, 0.1%-0.4% of Er, 0.2%-0.6% of B, and thebalance silver. Compare with traditional electric-contact silver alloy, the corrosion-resistant Ag-Li-Y silver-lithium alloy has excellent mechanical performance, high electric conductivity and very high corrosion resistance.

The invention discloses a high-damping Al-Li-Mg-S aluminum-lithium alloy with combustion resistance when smelted between 700-800 degrees and a processing technology thereof. In terms of weight percentage, the composition of the alloy is: Li:4.0‑9.0wt.%, Mg:2.0‑4.0wt.%, In:1.0‑2.0wt.%, Sr:2.0‑8.0wt.%, Ca:1.0‑ 2.0wt.%, Ho: 0.1‑0.2wt.%, Er: 0.4‑0.5wt.%, S: 1.0‑1.2wt.%, B: 0.5‑1.0wt.%, and the balance is aluminum. The invention provides a novel material science solution for the current situation that aluminum-lithium alloys need to be protected and smelted during smelting at high temperatures. By screening the alloy elements to form a dense and durable protective film on the surface of the aluminum-lithium melt, the ignition temperature of the aluminum-lithium alloy can be significantly increased. The material has the mechanical properties of traditional aluminum-lithium alloys, and has high damping performance that traditional aluminum-lithium alloys do not have: SDC=3-10%, and traditional materials are about SDC=0.5-0.8%. The alloy is induction smelted under the atmosphere, the smelting and processing method is simple, and the production cost is relatively low. While ensuring the damping performance, the high-temperature service life and performance of the alloy are further improved, which is convenient for large-scale industrial application.

The invention discloses a flexible In-Li-Re indium lithium alloy with corrosion resistance, high thermal conductivity and high conductivity. The flexible In-Li-Re indium lithium alloy consists of thefollowing components in percentage by weight: 1.6-2.1wt% of Li, 0.3-0.5wt% of Re, 0.6-0.8wt% of Ni, 0.2-0.3wt% of Se, 0.1-0.3wt% of Pd, 0.1-0.2wt% of La and the balance of indium. The indium lithium alloy has high thermal conductivity, high conductivity and corrosion resistance which are not provided in a conventional indium alloy, has flexibility of pure lithium, and has a melting point of 120-140 DEG C. The alloy is great in calorific value, is further applied specifically in an occasion which needs a light apparatus, and is convenient for industrial large-scale application.

The invention discloses an Ag-Li-Sm silver-lithium alloy with high thermal conductivity and electrical conductivity and a processing technology thereof. In terms of weight percentage, the chemical composition of the alloy is: Li:0.5‑2.5wt.%, V:1.0‑1.8wt.%, Pt:0.2‑0.4wt.%, Nb:0.3‑0.8wt.%, Sr:1.0‑ 1.6wt.%, Ca: 0.2‑0.4wt.%, Sm: 0.2‑0.5wt.%, Ho: 0.1‑0.2wt.%, S: 0.5‑0.8wt.%, B: 0.5‑0.9wt.%, The balance is silver. Compared with silver alloys used in traditional electrical contact materials, this material has excellent mechanical properties, high electrical conductivity and high heat transfer coefficient.

The invention discloses a high-conductive high-strength platinum alloy containing Ti and used for an electrical contact material. The alloy comprises, by weight, 2.5-3.0% of Ti, 1.5-3.0% of Sn, 0.2-0.4% of Sc, 0.2-0.5% of Ru, 1.0-1.5% of Si, 0.4-0.5% of Cu, 0.2-0.6% of Re, 0.2-0.4% of Er, 0.5-0.9% of B, and the balance platinum. Compared with a traditional electric contact platinum alloy, the material has excellent mechanical and conductive properties.