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鍛壓件在加工加熱時的會有什么缺陷

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鍛壓件在加工加熱時的會有什么缺陷

發布日期:2018-05-17 作者: 點擊:

DUANYAJIANZAIJIAGONGJIARESHIDEHUIYOUSHENMEQUEXIAN

鍛壓件
1.過熱和過度生長:過熱是指未來鋼過熱的溫度,使晶粒長。過熱不良熱處理,使鋼變脆,機械性能降低,但可通過鍛造正火或退火而消除。由于加熱時間過長燃燒,溫度過高,使金屬氧化物或某些熔化現象。燃燒不能彌補。

2.TUOTAN:TUOTANSHIZHIGANGBANBIAOMIANQUANBUHUOBUFENTANSHAOXIANXIANG。TUOTANSHIBIAOMIANKANQILAIROURUAN,JIANGDIBIAOMIANYINGDU,NAIMOXINGHEPILAOQIANGDU。

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