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您的位置: 12cr1movg合金钢管公司 > 12cr1movg合金钢管新闻 > 12Cr1MoVG合金钢管热轧和冷轧应力的对比

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12Cr1MoVG合金钢管热轧和冷轧应力的对比

来源: 时间:2014/9/10 9:40:46 浏览:

12Cr1MoVGHEJINGANGGUANJUYOUJIAOHAODEQIANGDUHERENXING,ZAIGONGCHENGSHANGGUANGWEIYINGYONG。DANZAISHIYONGZHONGFAXIAN,YIXIANGTONGRECHULIGONGYIHEXIANGTONGJIAGONGGONGYIJIAGONGCHUDECHANPIN.LENGYA12Cr1MoVGCAILIAOYAOBIREYA12Cr1MoVGCAILIAODEQIANGDU、RENXINGHAO。WOMENFENXIRENWEISHIREYA15-MnVBCANYUYINGLIDAYINQIDE。

新英体育CELIANGCANYUYINGLICHANGYONGDEYOUQIEGEFAHEZUANKONGFA,ZUANKONGFADEYUANLISHI:LINGJIANBIAOMIANKEYIKANCHENGSHI。σ1HEσ2DEERXIANGYINGLIZHUANGTAI,RUGUOZAICEDIANCHUZUANYIGEXIAOKONG,CANYUYINGLIJIUYAOSHIFANG,SHIKONGFUJINDECAILIAOCHANSHENGBIANXING。YUXIANZAIKONGBIANZHANTIEDIANZUYINGBIANHUA,CECHUYINGBIANZHIHOU,JIUKEYIYOUDANXINGLILUNGONGSHIJISUANCHUCANYUYINGLIσ1HEσ2DESHUZHI。WOMENFENBIEZAI12Cr1MoVGLENGYAHEREYAGANGGUANSHANG、XIABIAOMIANZHANTIEDIANZUYINGBIANHUA。

ZIRANGANZAO24XIAOSHIHOUDAIYONG。ZAIGANGGUANSHANG、XIAGETIE8GEYINGBIANHUA,SHIYANQIANJIANGDIANZUYINGBIANHUADEDAOXIANJIEDAOYJXYI2XINGJINGTAIDIANZUYINGBIANYIDEQIAOBEISHANG,BENSHIYANWEIBANQIAOCEQIE。ZAIGECEDIANZUANKONGSHIYANGZUANKONGZHONGCANYUYINGLIDEDAOSHIFANG,TONGGUOYJXYI2XINGJINGTAIDIANZUYINGBIANYICECHUGECEDIANDEYINGBIANZHI,YIYINGLIYINGBIANGUANXISUANCHULIANGZHONGGANGGUANDECANYUYINGLIZHI。

分析认为热轧钢管在轧制过程中由于在外力作用下产生不均匀的塑性变形,在受力消除后,材料内部将不同程度的保留一定的残余应力,尤其是热轧工艺将会使材料产生热应力,热应力将会造成材料产生更大的残余应力,所以其残余应力值大于冷轧钢管。
 

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