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wu ji zhong he jin yong zuo dian zuo mo ju cai liao de que xian fen xi
Author(s): 
Pages: 52-55
Year: Issue:  2
Journal: Rare Metals and Cemented Carbides

Keyword:  砧块钨基重合金电镦模具缺陷分析导热性能低合金裂纹源气门高温性能破坏面;
Abstract: 铌基重合金是一种较好的电镦模具材料。但是由于诸多因素的影响,砧块在电镦过程中存在许多缺陷。本文用X-射线衍射,SEM和金相分析了电镦后砧块破坏面的相、形貌及其裂纹扩展,并初步探讨了提高砧块使用寿命的可能途径。
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