کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7168084 | 1462956 | 2016 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of microstructure on the spalling damage in a 20Mn2SiCrMo bainitic rail
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of microstructure on the spalling damage in a 20Mn2SiCrMo bainitic rail Effect of microstructure on the spalling damage in a 20Mn2SiCrMo bainitic rail](/preview/png/7168084.png)
چکیده انگلیسی
The effect of microstructure on the spalling damage in a heavy-haul 20Mn2SiCrMo bainitic wing rail was investigated. The results show that spalling damage is strongly correlated to the detailed microstructure factors which contribute to the crack propagation resistance at different levels. It is demonstrated that comparing with blocky martensite/austenite (M/A) constituents, film-like M/A constituents have better performance to retard crack propagation. Moreover, the type and proportion of M/A constituents are affected by the isothermal holding temperature during heat treatment, where typical blocky M/A constituents are found in the temperature range from 360 °C to 400 °C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Failure Analysis - Volume 70, December 2016, Pages 343-350
Journal: Engineering Failure Analysis - Volume 70, December 2016, Pages 343-350
نویسندگان
Kaikai Wang, Zhunli Tan, Cheng Cheng, Bo Gao, Guhui Gao, R.D K. Misra, Bingzhe Bai,