Results 21 to 30 of about 1,088,008 (363)

Heat Treatment Effect on Microstructure Evolution in a 7% Cr Steel for Forging

open access: yes, 2020
Well-defined heat-treatment guidelines are required to achieve the target mechanical properties in high-chromium steels for forgings. Moreover, for this class of materials, the microstructure evolution during heat treatment is not clearly understood ...
Andrea Di Schino   +2 more
core   +1 more source

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

open access: yesTeshugang
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

A short review: hydroxyapatite coatings for metallic implants

open access: yesHeat Treatment and Surface Engineering, 2023
The number of orthopedic surgeries will continue increasing over the next decades. The most common causes of orthopedic implant failure after implantation are infections, inflammatory response, corrosion, mismatch in elastic modulus, stress shielding and
Fernando F. Rios-Pimentel   +2 more
doaj   +1 more source

Effect of Heat Treatment on the Microstructure and Mechanical Properties of a Ti-TiAl Laminate Composite

open access: yes, 2023
The effect of an innovative two-step heat-treatment process on the microstructure and mechanical properties of a Ti-TiAl laminate composite fabricated by hot-pack rolling was studied in this paper.
Ning Cui   +6 more
core   +1 more source

Effect of FS-SMAT on microstructure and mechanical property of pure magnesium and AZ31 magnesium alloy

open access: yesHeat Treatment and Surface Engineering, 2023
A novel material processing method, friction stir-surface mechanical attrition treatment (FS-SMAT) was conducted on pure magnesium plate and AZ31 magnesium alloy plate.
Long-Hai Hu   +5 more
doaj   +1 more source

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

open access: yesHeat 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   +8 more
doaj   +1 more source

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

open access: yesAl-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   +2 more
doaj   +1 more source

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

open access: yesHeat 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   +7 more
doaj   +1 more source

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

open access: yesJournal 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   +3 more
doaj   +1 more source

Optimizing Heat Treatment Parameters for the W-Temper Forming of 7xxx Series Aluminum Alloys

open access: yes, 2020
A major challenge in processing 7xxx series aluminum alloys is their limited formability at room temperature. In this paper, for the alloys EN AW-7020 and EN AW-7075, various variants of the W-temper forming process are investigated.
Alexander Butz   +2 more
core   +1 more source

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