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High-performance phosphor bronze belt and preparing method thereof

A high-performance, phosphor bronze technology, applied in the field of non-ferrous metal processing, can solve problems such as difficulty in meeting the needs of intelligent automobile use, inability to meet stamping performance, affecting the function of elastic materials, etc., to achieve short-process preparation and good cold working characteristics. , the effect of inhibiting segregation and refining grains

Active Publication Date: 2018-01-19
NINGBO XINGYE SHENGTAI GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technical effect of this patents relates to improving the quality and efficiency of producing specialized metal alloys for various applications such as electronics or energy storage devices. These alloys have improved mechanical qualities like higher yield point impacts and reduced costs while also maintaining their desired physical attributes. They offer better heat conductivity, ductility, creep behavior, and corrosive resistances than existing alternatives. By optimally combining different components together, these compositions provide superior overall performances without adding extra steps.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the mechanical characteristics (strength) or durable life of electronic parts made from metal nitride solder that resist erosion under various environments such as air conditioned conditions during storage and transportation without losing functionality overtime due to damage caused by environmental factors like moisture and oxygen. Existing solutions involve modifying the chemical formula based on specific metals found within these compositions but they often result in decreased conductance or reduced tensile property compared to desired levels.

Method used

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preparation example Construction

[0029]The preparation and processing technology of the high-performance phosphor bronze strip in the present invention are: a. batching, feeding, smelting and casting according to the mass percentage, b. pre-rolling, c. homogenizing annealing, d. milling, e. Rough rolling, f. Intermediate annealing, g. Pickling, h. Intermediate rolling, i. Continuous annealing, j. Finish rolling, k. Pickling, m. Stretch bending straightening, n. Low temperature annealing, o. Split shearing, p packaged into the warehouse.

[0030] The alloy of the present invention is smelted using the following raw materials: electrolytic copper, ingot sheet, iron sheet, pure tin, zinc ingot, copper-phosphorus alloy, rare earth element RE, nickel-boron alloy.

Embodiment 1

[0032] The composition of the alloy is shown in Example 1 of Table 1.

[0033] In step a, the specific order of the feeding is: first add copper (Cu), nickel (Ni), iron (Fe), and then add tin (Sn) and zinc ingot (Zn) at a low temperature after melting, and wait until they are all melted Copper-phosphorus (Cu-P), rare earth (RE) alloy and nickel-boron alloy (NiB) were added at low temperature (added after smelting zinc, the main purpose is to reduce oxidation burning loss and achieve uniform and stable composition), and the composition test passed After the slag is cleaned, it is covered with baked charcoal; a power frequency induction furnace is used for melting and casting in a non-vacuum environment, and the casting temperature is controlled at 1195° C., and the horizontal continuous casting method is used for casting.

[0034] Among them, the requirements of the horizontal continuous casting casting process are as follows: the pulling length is 10.5mm, the time between draw...

Embodiment 2

[0044] The composition of the alloy is shown in Example 2 of Table 1.

[0045] In step a, the specific order of the feeding is: first add copper (Cu), nickel (Ni), iron (Fe), and then add tin (Sn) and zinc ingot (Zn) at a low temperature after melting, and wait until they are all melted Copper-phosphorus (Cu-P), rare earth (RE) alloy and nickel-boron alloy (NiB) were added at low temperature (added after smelting zinc, the main purpose is to reduce oxidation burning loss and achieve uniform and stable composition), and the composition test passed After the slag is cleaned, it is covered with baked charcoal; a power frequency induction furnace is used for melting and casting in a non-vacuum environment, and the casting temperature is controlled at 1210° C., and the horizontal continuous casting method is used for casting.

[0046] Among them, the requirements of the horizontal continuous casting casting process are as follows: the pulling length is 11.0mm, the time between draw...

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PUM

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Abstract

The invention relates to a high-performance phosphor bronze belt. The high-performance phosphor bronze belt comprises following chemical components including, by weight percent, 10.0%-13.0% of Sn, 0.1%-0.65% of Zn, 0.05%-0.5% of Ni, 0.1%-0.5% of Fe, 0.01%-0.5% of P, 0.001%-0.02% of RE, 0.005%-0.05% of B and the balance Cu. A technology method for preparing the high-performance phosphor bronze beltcomprises the following steps that a, burdening, charging, smelting and casting are conducted according to the mass percent; b, pre-blooming is conducted; c, homogenizing annealing is conducted; d, face milling is conducted; e, rough milling is conducted; f, intermediate annealing is conducted; g, acid pickling is conducted; h, intermediate rolling is conducted; i, continuous annealing is conducted; j, fine rolling is conducted; k, acid pickling is conducted; m, stretch bending straightening is conducted; n, low-temperature annealing is conducted; o, shearing is conducted; and p, packaging and warehousing are conducted.

Description

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Claims

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Application Information

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Owner NINGBO XINGYE SHENGTAI GROUP
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