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전투차량용 방탄강 용접재료 국산화를 통한 품질향상

Improvement of Quality of Bulletproof Steel Welding Wires for Combat Vehicles Through Localization

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주제분류기계공학

초록

This study is to investigate the improvement of quality and cost reduction of welding materials for combat vehicles through localization. The existing imported welding wires and localized welding wires were evaluated. The evaluation of the welding wires was performed for the feedability, chemical/mechanical properties, macro testing, and weldability. As a result of evaluation, the localized welding material met all the evaluation standard values. In addition, it showed excellent performance in terms of weldability and feedability. It is judged that the welding quality is improved thanks to the improvement of feeding characteristics through the localization of the welding material, and the fatigue of the worker is also expected to be relieved.

Abstract

This study is to investigate the improvement of quality and cost reduction of welding materials for combat vehicles through localization. The existing imported welding wires and localized welding wires were evaluated. The evaluation of the welding wires was performed for the feedability, chemical/mechanical properties, macro testing, and weldability. As a result of evaluation, the localized welding material met all the evaluation standard values. In addition, it showed excellent performance in terms of weldability and feedability. It is judged that the welding quality is improved thanks to the improvement of feeding characteristics through the localization of the welding material, and the fatigue of the worker is also expected to be relieved.

참고문헌 (12)

  1. 박광섭, "일본과 중국 간의 센카쿠열도 분쟁:독도문제에 주는 시사점", 한국동북아논총, 18(2), pp.281~301 (2013), 한국동북아학회
  2. 최판규, "첨단산업 부품소재인 희토류의 가격파동에 대해서", 한국자기학회지, 21(3), pp.116~119 (2011), 한국자기학회
  3. 김양태, "일본 소재・부품산업 경쟁력 원천과 연구개발 파트너십에 관한 연구", 일본근대학연구, (68), pp.285~312 (2020), 한국일본근대학회[DOI]
  4. 송정현, "한일 무역마찰에 관한 한국의 대안 모색 ‒일본의 한국 수출규제와 CPTPP 간 양면성 분석을 중심으로‒", 일본근대학연구, (66), pp.213~226 (2019), 한국일본근대학회[DOI]
  5. S. Ozcelik, "Modling, Sensing and Control of Gas Metal Arc Welding" (2003), Elsevier
  6. B. Mvola, "Welding of dissimilar non-ferrous metals by gmaw processes", Int. J. Mech. Mater. Eng, 9(21), pp.1~11 (2014)
  7. American Welding Society, "Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding. AWS A5.25", A5.25M, 2005
  8. US Department of Defense, "ELECTRODES AND RODS - WELDING, BARE, SOLID, MILD AND LOW ALLOY STEEL. MIL-E-23765", 1D, 1981
  9. American Society of Mechanical Engineers, "Standard Test Methods and Definitions for Mechanical Testing of Steel Products. ASTM A370", ~ (2019)
  10. The United States Army Tank-automotive and Armaments Coommand, "Ground Combat Vehicle Welding Code-Steel. TACOM 12479550", ~ (2003)
  11. US Department of Defense, "ARMOR PLATE, STEEL, WROUGHT, HIGH-HARDNESS. MIL-DTL-46100E", ~ (2018)
  12. US Department of Defense, "ARMOR PLATE, STEEL, WROUGHT, HOMOGENEOUS(FOR USE IN COMBAT-VEHICLES AND FOR AMMUNITION TESTING). MIL-DTL-12560K", ~ (2019)

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