一种GH4099高温合金丝材的冷加工方法
本发明公开了一种GH4099高温合金丝材的冷加工方法,属于及高温合金丝材制备技术领域,提供一种可提高丝材表面质量的一种GH4099高温合金丝材的冷加工方法;其包括:A、固溶热处理;B、中间坯旋锻减径处理:对步骤A得到的棒材采用镟锻工艺进行多道次退火旋锻减径处理,各道次旋锻变形量控制在30%~45%之间;并且在每道次旋锻减径处理后采用真空热处理炉进行退火处理,真空度<10-3Pa,退火温度为1050℃~1100℃,保温时间10min~30min;C、制得成品。本发明所制备的丝材产品的组织均匀分布,无粗晶组织;丝材表面无裂纹、麻坑等缺陷,具有尺寸精度高,表面质量优等特点。 The inventio...
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Format | Patent |
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Language | Chinese |
Published |
24.05.2022
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Subjects | |
Online Access | Get full text |
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Summary: | 本发明公开了一种GH4099高温合金丝材的冷加工方法,属于及高温合金丝材制备技术领域,提供一种可提高丝材表面质量的一种GH4099高温合金丝材的冷加工方法;其包括:A、固溶热处理;B、中间坯旋锻减径处理:对步骤A得到的棒材采用镟锻工艺进行多道次退火旋锻减径处理,各道次旋锻变形量控制在30%~45%之间;并且在每道次旋锻减径处理后采用真空热处理炉进行退火处理,真空度<10-3Pa,退火温度为1050℃~1100℃,保温时间10min~30min;C、制得成品。本发明所制备的丝材产品的组织均匀分布,无粗晶组织;丝材表面无裂纹、麻坑等缺陷,具有尺寸精度高,表面质量优等特点。
The invention discloses a cold machining method for a GH4099 high-temperature alloy wire, belongs to the technical field of high-temperature alloy wire preparation, and provides the cold machining method for the GH4099 high-temperature alloy wire, which can improve the surface quality of the wire. The cold machining method comprises the steps that A, solid solution heat treatment is carried out; B, intermediate billet rotary swaging reducing treatment is carried out, specifically, multi-pass annealing rotary swaging reducing treatment is carried out on a bar obtained in the step A through a rotary swaging process, and the rotary swaging deformation of each pass is controlled to be 30% - 45%; and after each pass of rotary swagi |
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Bibliography: | Application Number: CN202011415384 |