On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents
In this study, ultra-high-carbon steels with 1.4% carbon content alloyed with three different aluminum contents, 2.0%, 4.0% and 6.0%, were studied on their tempering stability and temperature resistance. The results showed that the addition of Al significantly enhanced the tempering stability and te...
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| Format: | Article |
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MDPI AG
2021-07-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/11/7/1116 |
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| author | Jiaojiao Bai Wanli Zhang Yuhui Wang Cunyu Wang Xingpin Chen Zhiyue Shi Hui Wang Wenquan Cao |
| author_facet | Jiaojiao Bai Wanli Zhang Yuhui Wang Cunyu Wang Xingpin Chen Zhiyue Shi Hui Wang Wenquan Cao |
| author_sort | Jiaojiao Bai |
| collection | DOAJ |
| description | In this study, ultra-high-carbon steels with 1.4% carbon content alloyed with three different aluminum contents, 2.0%, 4.0% and 6.0%, were studied on their tempering stability and temperature resistance. The results showed that the addition of Al significantly enhanced the tempering stability and temperature resistance of ultra-high-carbon steel. The addition of Al inhibited the transformation of ε-carbide to cementite, suppressed the transition of martensite to ferrite and thus, endowed ultra-high carbon steels to maintain very high hardness during tempering within a wide range of temperature up to 500 °C. The present work provides a useful basis on which to develop bearing steel materials with low density and high hardness. |
| first_indexed | 2024-03-10T09:32:20Z |
| format | Article |
| id | doaj.art-53eac5afa54b4030afdcf581e7f9a195 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T09:32:20Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-53eac5afa54b4030afdcf581e7f9a1952023-11-22T04:24:03ZengMDPI AGMetals2075-47012021-07-01117111610.3390/met11071116On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum ContentsJiaojiao Bai0Wanli Zhang1Yuhui Wang2Cunyu Wang3Xingpin Chen4Zhiyue Shi5Hui Wang6Wenquan Cao7College of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaSpecial Steel Department, Central Iron and Steel Research Institute, Beijing 100081, ChinaNational Engineering Research Center for Equipment and Technology of Cold Rolled Strip, Yanshan University, Qinhuangdao 066004, ChinaSpecial Steel Department, Central Iron and Steel Research Institute, Beijing 100081, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaSpecial Steel Department, Central Iron and Steel Research Institute, Beijing 100081, ChinaSpecial Steel Department, Central Iron and Steel Research Institute, Beijing 100081, ChinaSpecial Steel Department, Central Iron and Steel Research Institute, Beijing 100081, ChinaIn this study, ultra-high-carbon steels with 1.4% carbon content alloyed with three different aluminum contents, 2.0%, 4.0% and 6.0%, were studied on their tempering stability and temperature resistance. The results showed that the addition of Al significantly enhanced the tempering stability and temperature resistance of ultra-high-carbon steel. The addition of Al inhibited the transformation of ε-carbide to cementite, suppressed the transition of martensite to ferrite and thus, endowed ultra-high carbon steels to maintain very high hardness during tempering within a wide range of temperature up to 500 °C. The present work provides a useful basis on which to develop bearing steel materials with low density and high hardness.https://www.mdpi.com/2075-4701/11/7/1116Al contentultra-high-carbon steeltempering stabilitytemperature resistance |
| spellingShingle | Jiaojiao Bai Wanli Zhang Yuhui Wang Cunyu Wang Xingpin Chen Zhiyue Shi Hui Wang Wenquan Cao On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents Metals Al content ultra-high-carbon steel tempering stability temperature resistance |
| title | On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents |
| title_full | On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents |
| title_fullStr | On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents |
| title_full_unstemmed | On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents |
| title_short | On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents |
| title_sort | on the unique microstructure and properties of ultra high carbon bearing steel alloyed with different aluminum contents |
| topic | Al content ultra-high-carbon steel tempering stability temperature resistance |
| url | https://www.mdpi.com/2075-4701/11/7/1116 |
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