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【答案】应助回帖

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enquan123(金币+1): 言之有理,欢迎深入探讨~ 2011-05-28 01:01:52
heizai1215(金币+2): 能加Q 详细向您请教不?谢谢 642274586 2011-05-28 08:53:54
烧结助剂作用机理还是挺复杂的,比如:形成低熔点液相而实现液相传质、形成固溶体增大晶格畸变而降低扩散激活能、通过反应去除含氧杂质而抑制晶粒过度长大、阻止相变等等,不知道楼主遇到的问题具体是个什么情况,如果是液相助剂加多了致密度降低可能是因为液相量过大导致晶粒长大过快或者二次再结晶致使气孔被包在晶粒内反而不易排出烧结体
O(∩_∩)O~
11楼2011-05-27 23:23:12
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