Results 21 to 30 of about 14,701,351 (357)

Effect of Saturated Steam Heat Treatment on Physical and Chemical Properties of Bamboo

Molecules, 2020
The aim of this study was to investigate the effects of the heat treatment time and initial moisture content of bamboo on the corresponding chemical composition, crystallinity, and mechanical properties after saturated steam heat treatment at 180 °C. The
Qiuyi Wang, Xinwu Wu, C. Yuan, Z. Lou, Yanjun Li   +4 more
semanticscholar   +1 more source

Multi-objective mathematical modeling and optimization of delta straight InterPulse-GTCAW parameters to predict and maximize performance of high temperature aerospace alloy sheets for structural applications

Forces in Mechanics, 2022
Superalloy 718 is a high temperature nickel (Ni) based alloy, widely used in aeroengines due to its superior mechanical performance at high temperature.
Tushar Sonar, Visvalingam Balasubramanian, Sudersanan Malarvizhi, Thiruvenkatam Venkateswaran, Dhenuvakonda Sivakumar, A. Manjunath   +5 more
doaj   +1 more source

Optimization of Carburizing Temperature and Time on Mechanical Properties of Hardening the Big Knives in Pack Carburizing Process by Using Cow Bone as an Energizer [PDF]

Warasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2020
The objective this research is to study the optimization of the factors between carburizing temperature and time that effect the mechanical properties of the hardened big knives in pack carburizing process.
Sombut Noyming
doaj  

Effect of Heat Treatment Condition on Microstructural and Mechanical Anisotropies of Selective Laser Melted Maraging 18Ni-300 Steel

, 2020
18Ni-300 maraging steel produced by the selective laser melting (SLM) process has a unique microstructure that is different from that of the same alloy processed by conventional methods.
Dohyung Kim, Tae Hwan Kim, Kyeongsik Ha, J. Oak, J. Jeon, Y. Park, W. Lee   +6 more
semanticscholar   +1 more source

Effects of LB/M Duplex Phase Heat Treatment on Microstructure and Mechanical Properties of Cold Working Die Steel DC53 [PDF]

Teshugang
The effects of Quenching-Tempering-Austempering （QTA） duplex phase heat treatment process （Q 1 030 ℃， 30 min； T 520 ℃， 2 h； A 250 ℃， 3 h） at different prequenching temperatures on the microstructure， mechanical properties and the friction and wear ...
Yuan Zhizhong, Chen Lu, Zhang Bocheng, Liu Haiming, Niu Zongran , Wang Zhiyuan, Ju Yulin, Cheng Xiaonong
doaj   +1 more source

Investigation Microwave Furnace Effects on Mechanical Properties and Fatigue Life of AA 7075-T73 with Dry and Acid Treatments

Al-Khawarizmi Engineering Journal, 2019
Microwave heating is caused by the ability of the materials to absorb microwave energy and convert it to heat. The aim of this study is to know the difference that will occur when heat treating the high strength aluminum alloys AA7075-T73 in a microwave ...
Sadiq Jaffer Aziz, Ahmed Adnan AL-Qisy, Rafeef Jumaa Salman   +2 more
doaj   +1 more source

Hardened Layer and Bending Fatigue Strength of Induction Hardened Thermally Refined Steel Gears

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2009
This paper presents a study on effects of the pre-treatment and the heating time on the hardened layer and the bending fatigue strength of induction hardened gears.
Kouitsu MIYACHIKA, Hideaki KATANUMA, Jun IWANAGA, Hidefumi MADA   +3 more
doaj   +1 more source

Numerical simulation of two-track laser hardening process of 42CrMo steel

Heat Treatment and Surface Engineering, 2022
In this study, a thermal–phase–mechanical coupled numerical model was presented for the prediction of the distribution of temperature, phase and residual stress of 42CrMo steel during two-track laser hardening process.
Tong Daming, Zhang Ziyang, Li Zhuguo, Gu Jianfeng, Li Sijia, Zhang Qunli, Li Chuanwei, Zhao Junyu, Hu Zhaonan   +8 more
doaj   +1 more source

Microstructure and wear resistance of HVOF sprayed WC-10Co-4Cr coating on Ti-6Al-4V

Heat Treatment and Surface Engineering, 2022
WC-10Co-4Cr coating was deposited on Ti-6Al-4V by the high velocity oxygen fuel spray process to improve the surface hardness and wear resistance. The results show that the porosity of the coating is 2.0%, the microhardness is 1300 HV0.2, the surface ...
Wenxiang Shu, Xiaofeng Deng, Weiduo Guo, Wei Shi, Shuai Li, Bei Zhang, Jingying Bai, Qingxin Cui   +7 more
doaj   +1 more source

Improvement of mechanical and operational steel characteristics by strengthening the surface [PDF]

E3S Web of Conferences
The growing demands in the mining industry require steel products capable of withstanding heavy loads. To achieve enhanced mechanical, service, and operational properties in steel, common methods include adjusting carbon content, optimizing primary ...
Filonenko Nataliia, Bartashevska Liudmyla, Haldina Oleksandra   +2 more
doaj   +1 more source