肖东平

• 1:成都先进金属材料产业技术研究院股份有限公司
• 2:海洋装备用金属材料及其应用国家重点实验室

摘要(Abstract)：

采用热模拟试验机对铸态和不同程度均匀化处理后的GH141合金进行压缩和拉伸变形，研究了合金的热变形行为以及热变形后的再结晶程度。结果表明：铸态GH141合金热变形过程中开始再结晶温度为1050℃,随着变形温度升高，再结晶越充分，变形抗力越低。不同程度均匀化处理后，合金再结晶程度相比未均匀化处理的合金更低，但均匀化处理后，合金的热塑性显著提高。均匀化程度较低时，合金的变形抗力大，塑性仍较差；随着均匀化程度增加，合金的变形抗力逐渐降低，塑性增加；当均匀化时间过长，合金的再结晶程度降低，合金的变形抗力反而增加，塑性降低。

关键词(KeyWords)： GH141合金;均匀化;热变形;再结晶

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 肖东平

DOI: 10.13289/j.issn.1009-6264.2021-0478

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