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          常州高泰金属制品有限公司高泰金属制品

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          常州通江大道106号

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          自主生产耐高温、耐腐蚀镍基合金板材、棒材、无缝管、焊管、法兰、锻件、管件、封头等特殊合金

          GH4169高温合金使用需要注意哪些?

          发布时间:2021-09-26

          1、强度

          在高温状况下,各种各样材料的强度都是有不一样水平的降低,GH4169高温合金强度降低晋升了材料塑变和擦破的将会。一般状况下,马氏体不锈钢板系、硬质合金刀具系及特殊铝合金系的材料有不错的高温可靠性。

          2、热变形率

          指加温解决前后左右容积转变的相对性百分比;热变形率=(遇热后容积-遇热前容积)/遇热前容积100%。

          3、抗氧化
          在温度轮回系统转变中,GH4169高温合金所采用的材料应防止产生材料表面反复空气氧化,造成氧化皮等挫折。

          4、应力松弛和破裂
          在高温(427C)情况下,应力松弛和破裂是材料毁坏的枢纽要素之一,而针对马氏体不锈钢板仅有当碳含量超出0.4%时,才能够 用以528C之上。

          5、塑变
          指一种金属材料表面被其他材料擦破,粘接在一起或表面卷成球型。它和温度、材料、表面光滑度、强度、荷载相关,会受流体力学的危害,高温会使金属材料变软,晋升其塑变发展趋势。

          6、耐磨性

          指材料抵御损坏的机能,GH4169高温合金它以要求磨擦尺度下的磨损量或损坏度的***后来表明,耐磨性基本上和材料全部机能都是有联系关系,并且在不一样摩擦系数原理尺度下,为晋升耐磨性对材料机能亦有不一样划定。

          

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