Gigacycle Fatigue Fracture of Low Strength Carbon Steel, Tested using a Simulated Heat Affected Zone Microstructure

Hide-aki Nishikawa; Yoshiyuki Furuya

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Gigacycle Fatigue Fracture of Low Strength Carbon Steel, Tested using a Simulated Heat Affected Zone Microstructure

机译：用模拟的热影响区组织测试低强度碳钢的千兆疲劳断裂

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In this study, gigacycle fatigue properties were investigated for several microstructures prepared by heat treatment designed to simulate the heat-affected zone (HAZ) that results from welding. The results showed that internal matrix crack origin gigacycle fatigue becomes dominant in coarse-grained microstructures in spite of low tensile strength of only about 600 MPa. It was found that, high material strength is not always necessary and that microstructure plays an important role in the development of internal-origin gigacycle fatigue fractures.

机译：在这项研究中，研究了通过热处理制备的几种微观结构的千兆环疲劳性能，这些热处理旨在模拟焊接产生的热影响区（HAZ）。结果表明，尽管抗拉强度仅为600 MPa左右，但内部基体裂纹起源的千兆疲劳仍在粗晶粒组织中占主导地位。已经发现，并不总是需要高的材料强度，并且微观结构在内部起源的千兆环疲劳断裂的发展中起着重要的作用。

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《ISIJ international》 |2019年第10期|共3页
作者
Hide-aki Nishikawa; Yoshiyuki Furuya;
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中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
gigacycle fatigueheat affected zonelow carbon steel;

机译：千兆轮胎疲劳热影响区低碳钢;

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专利

1. Gigacycle Fatigue Fracture of Low Strength Carbon Steel, Tested using a Simulated Heat Affected Zone Microstructure [J] . Hide-aki NISHIKAWA, Yoshiyuki FURUYA ISIJ international . 2019,第10期

机译：低强度碳钢的千兆疲劳断裂，使用模拟的热影响区微观结构进行测试
2. Effect of microstructure of simulated heat-affected zone on low- to high-cycle fatigue properties of low-carbon steels [J] . Hide-aki Nishikawa, Yoshiyuki Furuya, Satoshi Igi, Fatigue & fracture of engineering materials and structures . 2020,第6期

机译：模拟热影响区微观结构对低碳钢的低至高循环疲劳特性的影响
3. The role of Cu and Al addition on the microstructure and fracture characteristics in the simulated coarse-grained heat-affected zone of high-strength low-alloy steels with superior toughness [J] . Yu Liu, Guangqiang Li, Xiangliang Wan Materials Science and Technology: MST: A publication of the Institute of Metals . 2017,第15a16期

机译：Cu和Al添加对具有优异韧性的高强度低合金钢的模拟粗粒热影响区域中的微观结构和断裂特性
4. Simulated Welding Heat Affected Zone Toughness and Microstructure Transformation of a Ti-Zr Microalloyed Low Carbon Steel [C] . WANG Chao, SHI Minghao, ZHANG Pengyan, International Conference on Manufacturing Science and Technology . 2013

机译：模拟焊接热影响区韧性和微结构转化的Ti-ZR微合金低碳钢
5. Microstructure influence on low-carbon structural steel heat affected zone toughness. [D] . Parthasarathy, Rajagopal. 1991

机译：显微组织对低碳结构钢热影响区韧性的影响。
6. Gigacycle fatigue in high strength steels [O] . Yoshiyuki Furuya, Hisashi Hirukawa, Etsuo Takeuchi 2019

机译：高强度钢中的千兆环疲劳
7. Cleavage Fracture Model for Granular Bainite in Simulated Coarse-Grained Heat-Affected Zones of High-Strength Low-Alloyed Steels [O] . Dewei TIAN, L.Pentti KARJALAINEN, Bainian QIAN, 1997

机译：模拟粗粒热影响高强度低合金钢材粒状贝氏体的切割骨折模型
8. Fracture Behavior of Ultra-Low-Carbon Steel Plate and Heat-Affected-Zone [R] . Vassilaros, M. G. 1990

机译：超低碳钢板和热影响区的断裂行为

Gigacycle Fatigue Fracture of Low Strength Carbon Steel, Tested using a Simulated Heat Affected Zone Microstructure

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