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"내마모"

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"내마모"

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Experimental Analysis on Multilayer Cladding Using AISI-M4/H13 Metal Powders for Enhancement of Wear Resistance and Shockproof Characteristics
Yeong Kwan Jo, Jae Hyun Yu, Ho Seung Jeong, Gyung Yoon Beak, Gi Yong Lee, Sang-Hu Park
J. Korean Soc. Precis. Eng. 2019;36(11):1059-1064.
Published online November 1, 2019
DOI: https://doi.org/10.7736/KSPE.2019.36.11.1059
Generally, press molds have thermal and mechanical impact wear during usage. To improve the life of the mold, enhancement of mechanical properties such as abrasion resistance and shockproof capability is required. To solve this, we propose the multi-layered cladding process of functional materials with different mixing ratios. AISI-D2 material, known as cold die steel, was used as base material and AISI-M4 and -H13 powders were used for surface cladding on the base metal for high resistance wear and shockproof capability. Four cases of specimens were prepared to compare mechanical properties after tests. Through this study, a specimen multiple cladded with mixing M4 and H13 powders for middle layer and M4 powder only for top layer showed 80% improvement in shockproof capability. We posit that this method based on multi-layer cladding with a combination of functional metal powders increased mold life.

Citations

Citations to this article as recorded by  Crossref logo
  • Hybrid Mechanical Surface Treatment Technology via UNSM and Burnishing for Realizing High Surface Hardness
    Yeong-Wook Gil, Sang-Hu Park
    Journal of the Korean Society of Manufacturing Process Engineers.2023; 22(10): 10.     CrossRef
  • A Study on the Method and Application of Shaft Repair using Directed Energy Deposition Process
    Yoon Sun Lee, Min Kyu Lee, Ji Hyun Sung, Myeong Pyo Hong, Yong Son, Seouk An, Oe Cheol Jeong, Ho Jin Lee
    Journal of the Korean Society of Manufacturing Process Engineers.2021; 20(9): 1.     CrossRef
  • Effect of Post-Heat Treatment on the AISI M4 Layer Deposited by Directed Energy Deposition
    Gyeong Yun Baek, Gwang Yong Shin, Ki Yong Lee, Do Sik Shim
    Metals.2020; 10(6): 703.     CrossRef
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An Evaluation of Wear in High Load Long Pitch Roller Chain
Chang Uk Kim, Jang-Young Chung, Jung Il Song
J. Korean Soc. Precis. Eng. 2017;34(9):647-651.
Published online September 1, 2017
DOI: https://doi.org/10.7736/KSPE.2017.34.9.647
The present research investigates the wear analysis on SCM440 and SUS410 alloys for a high- load roller chain. In this wear analysis test, we concentrate on two wear factors: wear loss and coefficient of friction. For the wear test, reciprocating and block on ling analyses were used to assess the variation of wear characteristics. The applied normal loads were fixed at 10, 30, and 50 N in all tests. The test results showed that the Rockwell hardness average value of the SCM440 alloy is near 29.6 HRC, and the coefficient of friction and the wear loss are 0.62 and 3.8 mg, respectively. In addition, wear behavior was evaluated using lubricating oil.

Citations

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  • Study on Improvement of Catheter Tip Forming Process according to Plating Characteristics in Mold
    Han Chang Lee, Jinhyuk Jung, Gyu Ik Lee, Woojin Kim, Gyu Man Kim, Bong Gu Lee
    Journal of the Korean Society for Precision Engineering.2022; 39(9): 711.     CrossRef
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