Results 1 to 10 of about 31,184 (234)

Influence of heat treatment combined with cryogenic treatment on contact fatigue properties of Cr12Mo1V1 steel members [PDF]

Scientific Reports
Cold work die steel Cr12Mo1V1 is often used in metal plastic forming processing such as spinning, stamping, quenching, and tempering. It has a high hardness but still contains a lot of unstable residual austenite, which is prone to phase change in the ...
Yuhong Liu, Qingshan Jiang, Jiashun Gao, Zhilong Xu, Shiqi Chen, Yongqing Lai, Weiqing Wang, Jianchun Weng, Bo Li, Liting Ye, Zhilong Xu Mailbox   +10 more
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Variation of tensile strength and elastic limit due to tempering at low temperature on quenched medium carbon steel

Nihon Kikai Gakkai ronbunshu, 2021
Although elastic limit and tensile strength are essential for mechanical strength design, the measurement of high hardness materials is a challenge due to their sensitivity on notches.
Junzo SHIMBE, Masayoshi KUMAGAI, Akihiro TANABE, Yuta MIZUNO   +3 more
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Effect of alternating magnetic field on microstructure evolution and mechanical properties of M50 bearing steel during tempering process

Journal of Materials Research and Technology, 2023
The effect of alternating magnetic field (AMF) on the microstructure evolution and mechanical properties during tempering of M50 bearing steel have been investigated for evaluating the application prospect of magnetic field in steels.
Fuhai Zhu, Danqing Jiang, Shujian Sun, Han Wu, Zhenqiang Zhang, Jiang Wang, Zhongming Ren   +6 more
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Mechanical Properties of Tempered Nanobainite Steel [PDF]

Engineering and Technology Journal, 2013
The mechanical properties of 62 SiMnCr 4 steel transformed isothermally at 280ºC for 5-hours were investigated. The hardness of nanobainite steel was equivalent to tempered martensite steel.
Dhafir S. Al-Fattal, Najmuldeen Y. Mahmood   +1 more
doaj   +1 more source

The Study of Hardness Evolution during the Tempering Process of 38MnB5Nb Ultra-High-Strength Hot Stamping Steel: Experimental Analysis and Constitutive Models

Metals, 2023
To elucidate the hardness evolution behaviors for 38MnB5Nb ultra-high-strength hot stamping steel, a series of tempering processes with varying tempering temperatures and times were carried out with a dilatometer.
Ping Luo, Xianjun Li, Wenliang Zhang, Zhunli Tan, Minghao Zhang, Kaize Wang, Pengdi Hou, Junjie Liu, Xiao Liang   +8 more
doaj   +1 more source

Significant efficiency improvement of conventional tempering by a novel flash tempering technique

Journal of Materials Research and Technology, 2023
A flash tempering process has been demonstrated for low-carbon low-alloy lath martensite, which includes heating the sample to 750 °C (Ac1: 752 °C), dwelling at 750 °C for 2 s, and quenching directly to room temperature.
Chao Ding, Gang Niu, Enmao Wang, Jinxu Liu, Na Gong, Hongfei Liu, Yong Wang, Xinpan Yu, Xuelin Wang, Chengjia Shang, Huibin Wu   +10 more
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On the Unique Microstructure and Properties of Ultra-High Carbon Bearing Steel Alloyed with Different Aluminum Contents

Metals, 2021
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.
Jiaojiao Bai, Wanli Zhang, Yuhui Wang, Cunyu Wang, Xingpin Chen, Zhiyue Shi, Hui Wang, Wenquan Cao   +7 more
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Effect of Quenching and Tempering on Mechanical Properties and Impact Fracture Behavior of Low-Carbon Low-Alloy Steel

Metals, 2022
Conventional quenching and tempering were employed to achieve the optimal strength and toughness of low-carbon low-alloy steel. The fracture behavior (crack initiation and propagation) of the steel in the impact process was also analyzed.
Yajing Zhang, Jianhua Yang, Daheng Xiao, Deng Luo, Chende Tuo, Huibin Wu   +5 more
doaj   +1 more source

Effects of Tempering on the Microstructure and Properties of a High-Strength Bainite Rail Steel with Good Toughness

Metals, 2018
An advanced bainite rail with high strength–toughness combination was produced in a steel mill and the effects of tempering on the microstructure and properties of the bainite rail steel were investigated by optical microscopy, transmission ...
Min Zhu, Guang Xu, Mingxing Zhou, Qing Yuan, Junyu Tian, Haijiang Hu   +5 more
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Manufacturing Component Parts of Mining Equipment With Application of Hardening Technologies [PDF]

, 2004
To ensure highest hardness and wear resistance the authors develop an aggregate technology of manufacturing mining equipment component parts. The aggregate technology of manufacturing faced component parts includes the following operations: plasma-jet ...
Albajar, C., Amapane, N., Arce, P., Autermann, Christian Tobias, Bellato, M., Benettoni, M., Benvenuti, A., Bontenackels, M., Caballero, J., Cavallo, F. R., Cerrada, M., Cirio, R., CMS Collaboration, Colino, N., Conti, E., Dal Corso, F., Dallavalle, G. M., de la Cruz, B., de Trocóniz, J. F., Fernandez, C., Fouz, M. C., Garcia Raboso, A., Garcia-Abia, P., Gasparini, F., Gasparini, U., Giacomelli, P., Gonella, F., Gulmini, M., Hebbeker, Thomas, Hermann, S., Hoepfner, K., Jimenez, I., Josa, I., Lacaprara, S., Marcellini, S., Mariotti, C., Maron, G., Maselli, S., Meneguzzo, A. T., Monaco, V., Montanari, A., Montanari, C., Montecassiano, F., Navarria, F. L., Odorici, F., Passaseo, M., Pegoraro, M., Peroni, C., Perrotta, A., Puerta, J., Reithler, H., Romero, A., Romero, L., Ronchese, P., Rossi, A., Rovelli, T., Sacchi, R., Sowa, M., Staiano, A., Toniolo, N., Torassa, E., Vaniev, V., Vanini, S., Ventura, S., Villanueva, C., Willmott, C., Zotto, P., Zumerle, G.   +67 more
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