TC4-DT钛合金自由锻件组织与性能的影响因素

来源期刊:中国有色金属学报2010年第z1期(上册)

论文作者:童路 朱知寿 俞汉清 王之录

文章页码:87 - 90

关键词:TC4-DT钛合金;自由锻件;组织;性能;均匀性

Key words:TC4-DT titanium alloy; free forging; microstructure; property; uniformity

摘    要:研究不同尺寸规格和质量的TC4-DT钛合金自由锻件的组织与性能的影响因素。结果表明:为获得具有均匀组织和性能的TC4-DT钛合金自由锻件,应尽量避免采用单火次、大变形量的锻造方式。在制定合适的锻后热处理制度时,应综合考虑锻件的最大截面和尺寸因素。

Abstract: The influence factors of microstructure and property uniformity of TC4-DT titanium alloy free forgings with different sizes and mass were studied. The results show that a TC4-DT titanium alloy free forging with uniform microstructure and property will be achieved by a multi-step forging process with different smaller deformation rates instead of single-step process with a larger deformation rate. The factors of maximum thickness of cross section and mass of forgings should also be taken into account when a proper heat-treatment processing is used.

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