Effects of Normalizing Temperature on Impact Toughness of Gas Cylinder Steel 34Mn2V
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摘要:
研究了34Mn2V钢经不同温度正火后的力学性能,分析了不同温度正火后材料的组织变化对冲击韧性的影响。实验室及工业试验结果表明,利用适宜的亚温正火可显著提高34Mn2V钢的冲击韧性,实际生产中适当降低正火温度可使34Mn2V钢具有良好的强韧性,满足高压气瓶技术条件的要求。
Abstract:"Mechanical properties of 34Mn2V after being normalized at different temperatures had been measured,and the effects of resulting microstructure on impact toughness had been investigated Results from laboratory and industrial production indicated that impact toughness of 34Mn2V could be improved by using appropriate subcritical normalizing treat. 34Mn2V steels would have a good combination of high strength and improved toughness by after being normalized at lower temperature,and meet the requirements of specifications for high-pressure cylinder. "
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Key words:
- gas cylinder steel /
- 34Mn2V /
- normalizing temperature /
- microstructure /
- impact toughness
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