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1.The strength character of PD3 rail is superior to U71Mn rail,but U71Mn rail is fit for the high-speed railway.
PD3钢轨的强度性能优于U71Mn钢轨,但U71Mn钢轨更适合于高速铁路铺设使用。收藏指正
2.THE STUDY ON CCT DIAGRAM AND CONTINUOUS COOLING TRANSFORMATION OF U71Mn STEEL
U71Mn钢CCT曲线测定及连续冷却转变研究收藏指正
3.The results show that using the right welding parameter and A307 welding rod of high Cr and Ni,the best microstructure and properties of U71Mn and 1Cr18Ni9Ti welding joints of the dissimilar steel can be obtained.
结果表明:采用小电流小规范焊接工艺和高Cr、高Ni的A307焊条施焊,U71Mn和1Cr18Ni9Ti异种钢焊接接头的组织和性能最优。收藏指正
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