Zobrazeno 1 - 10
of 279
pro vyhledávání: '"Jer-Ren Yang"'
Autor:
Cheng-Ling Tai, Yo-Ming Pua, Tsai-Fu Chung, Yo-Lun Yang, Hsueh-Ren Chen, Chih-Yuan Chen, Shing-Hoa Wang, Chung-Yi Yu, Jer-Ren Yang
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 6, Iss 4, Pp 521-533 (2023)
The microstructures and mechanical properties in the peak ageing condition, warm forming process, and paint baking process of two Al–Zn–Mg–Cu aluminum alloys, which possessed the same base compositions but different levels of Mn (0 and 0.24 wt%
Externí odkaz:
https://doaj.org/article/a8e1a157541246e999ad6fde3ce45b43
Autor:
Cheng-An Hsu, Po-Han Chiu, Hong-Yi Chang, Shing-Hoa Wang, Tzu-Ching Tsao, Jer-Ren Yang, Yuan-Tzu Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4552-4561 (2023)
The cyclic thermal process can assist and accelerate the kinetics of phase transformation. Conventional UNS S17400 grade stainless is characterized by a martensitic microstructure. After solution treatment, the steel was aged by thermal cycling betwe
Externí odkaz:
https://doaj.org/article/347aeaa7fced45389f1a7e72b6dd3325
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 1172-1185 (2022)
Sn is a well-known grain boundary segregation element that improves the machinability of steel. Sn has been considered as a replacement for Pb in super-free-machining steels. The effect of Sn on the microstructure of the Fe-0.05C-0.03Si-1.28Mn-0.36S-
Externí odkaz:
https://doaj.org/article/39f74b2ea13941598b1914e08e377449
Autor:
Lintao Gui, Yan Zhao, Yi Feng, Mingtu Ma, Hongzhou Lu, Kun Tan, Po-Han Chiu, Aimin Guo, Jian Bian, Jer-Ren Yang, Fatong Jiang, Hui Song, Yangwei Wang
Publikováno v:
Materials & Design, Vol 227, Iss , Pp 111763- (2023)
Press-hardened steel (PHS) is widely used in manufacturing automobile parts and is sensitive to hydrogen embrittlement (HE). A novel 0.04Nb-0.04 V (wt%) PHS (22MnB5NbV) was developed based on 22MnB5. The constant-strain bending test shows the duratio
Externí odkaz:
https://doaj.org/article/306319ac0b4e4c6b83fbe8e43263cadb
Autor:
Mien-Chung Chen, Tsai-Fu Chung, Cheng-Ling Tai, Yu-Hsuan Chen, Jer-Ren Yang, Sheng-Long Lee, Chien-Nan Hsiao, Cheng-Si Tsao, Che-Min Chou
Publikováno v:
Materials & Design, Vol 227, Iss , Pp 111766- (2023)
Two Al-Cu-Mg(-Ag) aluminium alloys, having the same base composition of Al-5.11Cu-0.96 Mg-0.58Mn-0.12Zr (wt.%) but different Ag contents, 0 and 0.7 Ag (wt.%), and accordingly denoted 0A and 7A samples, were aged at 185 °C. In early-ageing, the forma
Externí odkaz:
https://doaj.org/article/2926d4ec012d43709113c1287967760a
Autor:
Chieh-Ning Yen, Liu-Wen Chang, Chen-An Hsu, Jer-Ren Yang, Horng-Yi Chang, Shing-Hoa Wang, Hsueh-Ren Chen
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 2393-2404 (2021)
In the present study, arrayed nano-precipitated TiC in a ferrite matrix was obtained through thermal treatment. The size and shape of the arrayed interphase nano-precipitates were unaffected by fatigue deformation in this Ti-microalloyed steel. In ad
Externí odkaz:
https://doaj.org/article/eda2baf3aa974948b65808dc92c4d80f
Autor:
Yuzhuo Luo, Yunqing Tang, Tsai-Fu Chung, Cheng-Ling Tai, Chih-Yuan Chen, Jer-Ren Yang, D. Y. Li
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Abstract Electron work function (EWF) has demonstrated its great promise in materials analysis and design, particularly for single-phase materials, e.g., solute selection for optimal solid-solution strengthening. Such promise is attributed to the cor
Externí odkaz:
https://doaj.org/article/f69321680411464bb8dd823fed2e819e
Autor:
Ping-Jui Yu, Tzu-Ching Tsao, Cheng-An Hsu, Neng-Hao Gan, Shing-Hoa Wang, Jer-Ren Yang, Horng-Yi Chang, Tsai-Fu Chung
Publikováno v:
Metals, Vol 13, Iss 3, p 625 (2023)
A novel dual-phase PHSS consisting of lath martensite plus allotriomorphic δ ferrite (ALF) with nanoprecipitates was characterized by high-resolution field emission transmission electron microscopy for quenched, solid-solution-treated, and aged stai
Externí odkaz:
https://doaj.org/article/8eabd2c4b37f4a7397ec003699de930e
Effect of Cu Additions on the Evolution of Eta-prime Precipitates in Aged AA 7075 Al–Zn–Mg–Cu Alloys
Autor:
Ting-Jung Hsiao, Po-Han Chiu, Cheng-Lin Tai, Tzu-Ching Tsao, Chien-Yu Tseng, Yi-Xian Lin, Hsueh-Ren Chen, Tsai-Fu Chung, Chih-Yuan Chen, Shing-Hoa Wang, Jer-Ren Yang
Publikováno v:
Metals, Vol 12, Iss 12, p 2120 (2022)
In the present study, after solid solution treatment, four different artificial aging treatments (100, 120, 140 and 160 °C) were performed on Al-5.98Zn-2.86Mg-1.61Cu (wt.%) alloy, denoted as 7075-LCu, and Al-5.91Zn-2.83Mg-1.98Cu (wt.%) alloy, denote
Externí odkaz:
https://doaj.org/article/e71df54f957d46c2a94d16f6b46675ec
Autor:
Cheng-Ling Tai, Po-Jui Tai, Ting-Jung Hsiao, Po-Han Chiu, Chien-Yu Tseng, Tzu-Ching Tsao, Tsai-Fu Chung, Yo-Lun Yang, Chih-Yuan Chen, Shing-Hoa Wang, Jer-Ren Yang
Publikováno v:
Metals, Vol 12, Iss 10, p 1766 (2022)
The effects of natural ageing treatment prior to artificial ageing treatment on the microstructures and mechanical properties of AA7075 Al-5.7Zn-2.6Mg-1.5Cu-0.18Cr-0.08Mn-0.05Si-0.17Fe (wt.%) aluminum alloy have been investigated. The hardness of sol
Externí odkaz:
https://doaj.org/article/4c8725ca936f4b9a99853af03e041eb5