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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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快凝钛合金中硅化物的析出及长大规律
Keywords: 钛合金,快速凝固,硅化物沉淀相,长大激活能
Abstract:
？研究了热处理对ti-5al-0.3si和ti-5ai-2zr-0.3si(质量分数,mg/g)析出相长大规律的影响结果表明,含硅的钛合金的快凝态和在600℃短期(1h)处理后的基体中无析出相>650℃时,近球状的相大量析出热处理后析出相聚集长大速度很快.ti-5al-0.3si的析出相为四方的ti3si,其长大激活能为219kj·mol-1.加入zr后,分布更加弥散且长大速度更快的(ti,zr)6si3的长大激活能为105kj.mol-1
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