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Process Optimization for Dual Laser Beam Joining for Dissimilar Plastics
Suwon Kim, PilGong Choi, Soo Jin Choi, Sang Bae Han, Jiyeon Choi, Jeng O Kim, Hyonkee Sohn, Sanghoon Ahn, Jiwhan Noh, Heeshin Kang, Kwangyun Jung, Dohyun Kim, Hyun-Deok Kim, Changkyoo Park
Korean J. Met. Mater. 2022;60(6):432-439.   Published online 2022 May 24
DOI: https://doi.org/10.3365/KJMM.2022.60.6.432

Abstract
A dual laser beam joining process is introduced for joining dissimilar plastics. A customized laser head was built, and two different diode lasers with central wavelengths of 980 and 1940 nm were simultaneously applied to obtain PMMA/PC-1 and PC-2/ABS joints. Various experimental conditions were employed for the dual laser beam..... More

                
AISI 304 Steel Brazing Using A Flexible Brazing Foil Fabricated by Tape Casting Method
Ashutosh Sharma, Soon-Jae Lee, Joo-Hee Oh, Jae Pil Jung
Korean J. Met. Mater. 2017;55(12):836-844.   Published online 2017 Dec 4
DOI: https://doi.org/10.3365/KJMM.2017.55.12.836

Abstract
The authors report the fabrication of a flexible nickel brazing foil using powdered nickel alloy filler (BNi-2) mixed with an organic binder. The organic binder was composed of a polyacrylic acid polymer, glycol, carbon tetrachloride, and water as a dispersion medium for the powder. The brazing paste so formed was..... More

       Crossref 1
Growth Behavior of Intermetallic Compound in Dissimilar Al-Cu Joints Under Direct Current
알루미늄-구리 이종 도체 접합부에서 직류 전기 인가에 따른 금속간화합물의 성장 거동
Jeong-Ik Kim, Sung-woo Jin, Jinwook Jung, Hyun-Min Sung, Hye-Jin Jeong, Siwook Park, Ju-Won Park, Heung Nam Han
김정익, 진성우, 정진욱, 성현민, 정혜진, 박시욱, 박주원, 한흥남
Korean J. Met. Mater. 2017;55(6):372-378.   Published online 2017 Jun 1
DOI: https://doi.org/10.3365/KJMM.2017.55.6.372

Abstract
Aluminum conductors are increasingly replacing copper because Al has lower cost and lighter weight, and consequently the demand for Al-Cu joints for industrial applications is growing. However, an intermetallic compound is known to grow at the Al-Cu interface, and will result in fracture if it grows above a critical thickness...... More

       Crossref 2
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