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- W2388897881 abstract "The heat treatment process of railway train coupler(ZG25MnCrNiMo-E grade steel) was material melting at first, then heat preservation at 910 ℃ for 4 h, quenched in water, heat preservation at 590 ℃ for 3 h, cooling in water and mechanical processing lastly. In the tensile test, if the sample's fracture surface and tensile axis was 90° or mixed 45° and 90°, both of the sample's elongation did not meet the requirements. The reasons for disqualification of the sample were investigated by means of surface topography analyses, microstructure analyses and element composition analyses. The results show that the amount, distribution and configuration of the inclusions are all the factors that can influence the elongation and shrinking percentage of the coupler." @default.
- W2388897881 created "2016-06-24" @default.
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- W2388897881 date "2014-01-01" @default.
- W2388897881 modified "2023-09-25" @default.
- W2388897881 title "Analysis on Microstructure and Fracture of E-grade Steel of Railway Train Coupler" @default.
- W2388897881 hasPublicationYear "2014" @default.
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