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cold extruding
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cold extruding
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工学
形变强化
释
cold extruding
冷挤压
利用特定的工具(棒、衬套、模具等),在零件孔的内壁或周边,连续、缓慢、均匀地挤压材料,并形成一定的塑性变形层,从而提高其疲劳强度和抗应力腐蚀的表面改性技术。
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