OALib Journal期刊
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与Al发生扩散反应的非晶(Fe0.99Mo0.01)78Si9B13晶化
DOI: 10.11858/gywlxb.1999.02.005, PP. 108-114
Keywords: 非晶晶化,扩散反应,压力
Abstract:
高压下与Al发生扩散反应的非晶(Fe0.99Mo0.01)78Si9B13(FMSB)的晶化产物与纯FMSB的不同。与Al反应的FMSB非晶在3.0~5.0GPa、780~900K热处理时,晶化为α-Fe(Al)和次亚稳非晶合金;在这一压力范围以外,720~900K热处理时,晶化为α-Fe(Si)、Fe3B或Fe2B。与Al发生反应的FMSB非晶可能通过与Al的扩散反应在Al/FMSB界面开始晶化。压力和温度对晶化过程的影响主要是由于α-Fe固溶体的Gibbs自由能随压力、温度和Al含量的变化。
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