硬度越低，可塑性越好，越不容易断。
不错，硬度越低越不断！
回答: 该半轴的热处理没控制好造成最大应力面断裂.制造商该赔偿损失...回复：Where is government action?
由 fixanycars
于 2009-08-19 14:42:55
所有跟帖：
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扭矩,弯拒,剪力再加冲击力联合作用.你当是弯铅呢...回复：不错，硬度越低越不断！
-fixanycars-
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08/19/2009 postreply
19:28:39
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