量具用GCr15鋼熱處理尺寸變化的分析
發(fā)布時間:2018-10-26 13:24
【摘要】:不同原始組織在熱處理過程中產(chǎn)生的變形不同。針對GCr15的試驗(yàn)結(jié)果表明:不同原始組織在淬火后及400℃以下回火時相對原始長度均增加,而在400℃以上回火時相對原始長度均縮短;在相同的熱處理工藝下,球化3級的變形小于片狀珠光體組織。對比不同球化工藝,采用等溫球化和長時間加熱球化獲得的球化組織不均勻,效率低,且能耗大,而淬火+高溫回火球化能夠獲得更均勻的球化組織,大幅提高了生產(chǎn)效率。
[Abstract]:The deformation of different original microstructure is different during heat treatment. The experimental results of GCr15 show that the relative original length of different original microstructure increases after quenching and tempering below 400 鈩,
本文編號:2295859
[Abstract]:The deformation of different original microstructure is different during heat treatment. The experimental results of GCr15 show that the relative original length of different original microstructure increases after quenching and tempering below 400 鈩,
本文編號:2295859
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