Zobrazeno 1 - 10
of 230
pro vyhledávání: '"Namhyun Kang"'
Publikováno v:
Journal of Advanced Joining Processes, Vol 10, Iss , Pp 100240- (2024)
This study investigated the effect of welding current during gas metal arc welding (GMAW) on the microstructure and composition of an Al 5083 alloy. As the welding current increased from 650 to 950 A, several changes were observed in the heat-affecte
Externí odkaz:
https://doaj.org/article/50d2e1a041594ad59e1724fdd980f233
Publikováno v:
Materials, Vol 17, Iss 11, p 2496 (2024)
Al–10%Si–2%Cu alloys have been widely used in high-value industries (e.g., aerospace and automobiles) because of their lower specific gravity; however, galvanic corrosion rendered these alloys to have poor corrosion resistance. Therefore, the mic
Externí odkaz:
https://doaj.org/article/92170c0f95374dcf8f7beb33f041a95b
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4224 (2024)
This study aimed to develop an artificial neural network (ANN) model for predicting the yield strength of a weld metal composed of austenitic stainless steel and compare its performance with that of conventional multiple regression and machine learni
Externí odkaz:
https://doaj.org/article/08a3f5292b504f6d87b6bb4b8bd0434f
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 3232-3248 (2023)
The broad potential applications of ferritic stainless steel in industry can be increased with the addition of protective elements such as carbon for surface hardening. Laser surface hardening (LSH) using carbon elements, such as graphite, has receiv
Externí odkaz:
https://doaj.org/article/3da23686f4004667bd7e288e51d1de3d
Publikováno v:
Materials, Vol 17, Iss 1, p 181 (2023)
This study investigates the impact of a high-entropy alloy filler metal coated with copper (Cu) and post-weld heat treatment (PWHT) on the weldability of a ferrous medium-entropy alloy (MEA) in gas tungsten arc welding. The addition of 1-at% Cu had a
Externí odkaz:
https://doaj.org/article/68a3057a98b64bb6ad157e1b9d9703d7
Autor:
Hyunbin Nam, Seonghoon Yoo, Jeong Won Ha, Byeong-Joo Lee, Sangwoo Song, Youngsang Na, Namhyun Kang
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 4857-4866 (2022)
This study investigated the gas tungsten arc (GTA) weldability of cold-rolled CoCrFeMnNi high-entropy alloys (HEAs) using Cu-coated HEA filler, specifically through the application of various post–weld heat treatment (PWHT) temperatures. The GTA we
Externí odkaz:
https://doaj.org/article/e1b2492fe3e142098c1245c32983a3c1
Publikováno v:
Metals, Vol 13, Iss 10, p 1743 (2023)
Nb-Ti binary alloys are widely employed as high value-added materials in the manufacture of super heat-resistant alloys, biomaterials, and superconductors. Therefore, there is significant interest to produce Nb-Ti master alloys in a cost-effective ma
Externí odkaz:
https://doaj.org/article/8b4b886c7afe496bada5e22c2d64d90e
Publikováno v:
Metals, Vol 13, Iss 9, p 1625 (2023)
Designing welding filler metals with low cracking susceptibility and high strength is essential in welding low-temperature base metals, such as austenitic stainless steel, which is widely utilized for various applications. A strength model for weld m
Externí odkaz:
https://doaj.org/article/83554b4894684a2b8a74e27f136d4648
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 4032-4047 (2021)
Cu–Al–Ni shape memory alloys (SMAs) have high thermal stability and various potential applications. The most significant factors limiting their application are their relatively low elastic strain and poor shape memory effect known as recoverable
Externí odkaz:
https://doaj.org/article/e5a9d446a129473e8349c00446df1c33
Publikováno v:
Materials, Vol 16, Iss 13, p 4516 (2023)
A one-step hybrid bending/diffusion bonding process (HB/DBP) was developed for application to Ti-6Al-4V sheets to effectively improve buy-to-fly (BTF) ratio of aircraft parts, integrating sequential diffusion bonding followed by a bending process. Th
Externí odkaz:
https://doaj.org/article/74f91b5a7a9a42afbe4e5a268cbef9e3