Iron-base bulk amorphous alloy with high glass-forming ability
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An amorphous alloy and glass technology, applied in the field of iron-based bulk amorphous alloys, can solve problems such as limiting the application range of alloys, and achieve the effects of high glass forming ability, widening size restrictions, and simple preparation process
Inactive Publication Date: 2005-04-06
辽宁峰阁钛业集团有限公司
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Obtaining traditional amorphous alloys requires up to 10 6 The critical cooling rate of ℃ / s makes the alloy limited to thin strips, wires and other shapes, thus limiting the application range of the alloy
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specific Embodiment approach 1
[0012] Embodiment 1: The iron-based bulk amorphous alloy of this embodiment is composed of Fe, Co, Cr, Mo, C, B, and Y, wherein the atomic percentage of each element is: Fe 36-45%, Co 5-10 %, Cr 15%, Mo 14%, C 15%, B 6%, Y 1-5%.
specific Embodiment approach 2
[0013] Specific implementation mode two: the iron-based bulk amorphous alloy Fe in this implementation mode 38 co 10 Cr 15 Mo 14 C 15 B 6 Y 2 Composed of Fe, Co, Cr, Mo, C, B, Y, the atomic percentage of each element is: Fe 38%, Co 10%, Cr 15%, Mo 14%, C 15%, B 6%, Y2% . Fe in this embodiment 38 co 10 Cr 15 Mo 14 C 15 B 6 Y 2 Amorphous alloys have high glass-forming ability, and can obtain bulk amorphous alloys with a critical size not less than Φ8mm under arc melting ordinary copper mold casting conditions.
specific Embodiment approach 3
[0014] Specific implementation mode three: In this implementation mode, the iron-based bulk amorphous alloy Fe 45 co 3 Cr 15 Mo 14 C 15 B 6 Y 2 Composed of Fe, Co, Cr, Mo, C, B, Y, the atomic percentage of each element is: Fe 45%, Co 3%, Cr 15%, Mo 14%, C 15%, B 6%, Y 2 %. Fe in this embodiment 45 co 3 Cr 15 Mo 14 C 15 B 6 Y 2 Amorphous alloys have high glass-forming ability, and bulk amorphous alloys with a critical size of not less than Φ9mm can be obtained under arc-melting ordinary copper mold casting conditions.
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Abstract
One kind has the high glass to form the ability the hard matrice body crystalless alloy, it involves a kind of crystalless alloy material, specifically designs a kind to have the high glass to form the ability the hard matrice body crystalless alloy. The invention block body crystalless alloy by Fe, Co, Cr, Mo, C, B, Y is composed, various elements atomic percentage is: Fe36~~45%, Co5~~10%, Cr15%, Mo14%, C15%, B6%, Y1~~5%. The invention has the high glass to form the ability, uses the ordinary type mold casting to be allowed to prepare the critical dimension not to be smaller than the 14mm hard matrice body crystalless alloy, has low critical cooling speed 6.5K / s, the high resistant to compression breaking strength approximately is equal to 3500MPa, Gao Weishi degree of hardness Hv approximately is equal to 1230, needs the raw material majority is the industry purity, thus reduced the cost, simultaneously prepares the craft simply, may prepare the critical dimension biggest Fe matrice body crystalless alloy, the industry application potential is very big.
Description
Technical field: [0001] The invention relates to an amorphous alloy material, in particular to an iron-based bulk amorphous alloy with high glass forming ability. Background technique: [0002] Amorphous alloy materials are a new type of materials. Compared with ordinary crystalline metal materials, amorphous alloy materials have undergone significant changes in mechanics, physics, chemical properties and mechanical properties. Amorphous alloys have unique mechanical and mechanical properties, and their high strength, toughness and wear resistance are significantly better than ordinary metal materials. The composition selection, preparation, structure and performance research of bulk amorphous alloys are currently the most popular research topics in the field of amorphous materials, and have attracted extensive attention internationally. Bulk amorphous materials are considered to be widely used in the 21st century. One of the promising new materials. Western countries and ...
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