The results indicated that discontinuity of micro structure of work layer caused by in.homogeneous distribution of chemical composition, different pattern of carbide, mhomogeneity of hardness lead to large area of spalling and frther scrapping of roll.

 
  • 結果表明,化學(xué)成分的不均勻分布,造成軋輥輥身工作層組織不連續、碳化拘形態(tài)各異使輥身工作層硬度不均勻,產(chǎn)生大面積剝落,最終導致軋輥報廢。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan