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大规格TC4无缝管材工艺研究

Nonferrous Metals Processing(2018)

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Abstract
采用斜轧+热轧生产Φ560 mm×25 mm×6000mm大规格TC4无缝管材,(d/t比为22.4)进行力学性能、显微组织、表面加工精度与表面质量检测.结果表明,斜轧+热轧生产TC4大规格钛合金无缝管材表面质量、尺寸精度高;其显微组织为网篮和魏氏体结合体,力学性能稳定;管材经过温矫,平直度达到4mm/m;经过机加工平直度小于1mm/m;加工后成品管材采用横伤检测(GB/T12969.1无大规格管材),手动超声管材无缺陷.
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