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用套管封装压延法和热等静压热锻法对AISI30 4不锈钢粉末在不同固化条件下进行固化试验 ,对各种固化材的显微组织和力学性能作了研究。在 110 0℃固化时 ,套管封装压延材获得的伸长率为 6 0 %～ 75 % ,热等静压热锻材则为 75 %～ 85 % ;大体上套管压延法能获得较高的0 2 %屈服强度和拉伸强度。两种固化法都取得了较好的固化结果。虽然套管封装压延材的伸长率比热等静压热锻材略小 ,但综合考虑力学性能指标和工艺简便性 ,可以认为套管封装压延法是一种很好的固化法。
The curing experiment of AISI30 4 stainless steel powder under different curing conditions was carried out by casing-encapsulation rolling and hot isostatic pressing, and the microstructure and mechanical properties of various solidified materials were studied. When cured at 110 0 C, the elongation of casing-clad rolled material is 60% -75%, while that of hot isostatic pressing is 75% -85%. In general, the casing-calendering method can achieve higher 0 2% yield strength and tensile strength. Both curing methods have achieved better curing results. Although the elongation of casing-clad rolled material is slightly smaller than that of hot isostatic pressing, considering the mechanical performance index and process simplicity, it can be considered that the casing-sealing rolling method is a good curing method.