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两相钛合金在出现α”亚稳定相的温度区域进行水淬热处理,可以降低该合金的最佳超塑性的温度区和改善合金的超塑性能。这个热处理效应使BT_(3_1)(TC_6)热强钛合金的最佳超塑性温度区由900℃降三800℃,δ达1300％。该热处理效应不但使7715B耐热铁合金最佳超塑性温度由950℃降到900℃,而且在900℃的延伸率由1000％上升到2000％。这个简单而行之有效的新工艺可使许多具有良好综合性能的热强铁合金,籍此进一步提高热加工性能,而扩大其用途,使航天航空部门在制造大型薄壁件(吹塑成形)和复杂的异形件(等温挤压成件)带来方便,而且还具有很大的经济效益。
The water quenching heat treatment of the two-phase titanium alloy in the temperature range of α "metastable phase can reduce the optimum superplastic temperature zone and improve the superplasticity of the alloy.This heat treatment effect makes BT_ (3_1) (TC_6) The optimal superplastic temperature range of the hot-rolled titanium alloy decreases from 900 ℃ to 800 ℃ and δ to 1300% .This heat treatment effect not only reduces the optimum superplastic temperature of the 7715B heat-resistant alloy from 950 ℃ to 900 ℃, Of the elongation from 1000% to 2000%. This simple and effective new process can make a number of well-integrated properties of hot ferroalloy, which will further improve the hot workability, and expand its use, so that the aerospace sector in the Manufacturing large thin-walled parts (blow molding) and complex shaped pieces (isothermal extruded parts) bring convenience, but also have great economic benefits.