High elongation rate and high-strength alloy aluminium end cap for multiple unit and casting method thereof
A high-strength alloy and high-elongation technology, which is applied in the field of high-elongation and high-strength alloy aluminum end caps for EMUs, can solve the problems of low production cost, high cost, and difficult production, and achieve good high-temperature mechanical properties and elongation , increase the deformation resistance, improve the effect of yield strength
Inactive Publication Date: 2009-02-04
MIN OF RAILWAY TRANSPORT BUREAU +1
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The invention discloses a high-extensibility and high-strength alloy aluminum end cover used for multiple units, and a casting method thereof; the material consists of components in the following weight percent: 3.5 percent to 4.5 percent of Mg, 0.2 percent to 0.4 percent of Cu, 0.1 percent to 0.2 percent of Ti, equal to or less than 0.1 percent of Zn, equal to or less than 0.21 percent of Fe, equal to or less than 0.6 percent of Mn, equal to or less than 0.1 percent of Ni, equal to or less than 0.1 percent of Pb, equal to or less than 0.15 percent of Si, and the rest is Al. The invention is a high-extensibility and high-strength alloy aluminum end cover used for multiple units which has quite good high-temperature mechanical property and extensibility, and can bear quite heavy load; the casting method of the end cover has low cost and is easy to be controlled.
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