AISI4115 기계구조용 합금강의 질화 가스분위기에 따른 화합물층의 형성 및 내마모특성
Formation of compound layers and Wear behavior of AISI4115 steels by gaseous nitriding process
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Nitriding layers developed during gaseous nitriding of AISI4115 steels for the application of steel bushing part were investigated. The compound layer thickness of about 10㎛, 0.3mm of case depth under the same conditions, and conventional nitriding, nitrocarburizing, and controlled nitriding were performed in three methods. In the controlled nitriding, KN was controlled by measuring the hydrogen partial pressure. The nitrided samples were analyzed by micro Vickers hardness test, optical microscopy and scanning electron microscopy. The phases of compound layer were identified by X-ray diffraction and electron backscatter diffraction. The controlled nitriding specimen indicated the highest surface hardness of about 860 HV0.1. The compound layer of the conventional nitriding and nitrocarburizing specimen was formed with about 46% porous layer and ε + γ′ phase, and about 13% porous layer and about 80% γ' phase were formed on the controlled nitriding specimen. As a result of the Ball-on-disk wear test, the worn mass loss of ball performed on the surface of the controlled nitriding specimen was the largest. The controlled nitriding specimen had the highest surface hardness due to the lowest porous percentage of compound layer, which improved the wear resistance.
Abstract
Nitriding layers developed during gaseous nitriding of AISI4115 steels for the application of steel bushing part were investigated. The compound layer thickness of about 10㎛, 0.3mm of case depth under the same conditions, and conventional nitriding, nitrocarburizing, and controlled nitriding were performed in three methods. In the controlled nitriding, KN was controlled by measuring the hydrogen partial pressure. The nitrided samples were analyzed by micro Vickers hardness test, optical microscopy and scanning electron microscopy. The phases of compound layer were identified by X-ray diffraction and electron backscatter diffraction. The controlled nitriding specimen indicated the highest surface hardness of about 860 HV0.1. The compound layer of the conventional nitriding and nitrocarburizing specimen was formed with about 46% porous layer and ε + γ′ phase, and about 13% porous layer and about 80% γ' phase were formed on the controlled nitriding specimen. As a result of the Ball-on-disk wear test, the worn mass loss of ball performed on the surface of the controlled nitriding specimen was the largest. The controlled nitriding specimen had the highest surface hardness due to the lowest porous percentage of compound layer, which improved the wear resistance.
참고문헌 (32)
- Cavallaro, Giuseppe P, "Bending fatigue and contact fatigue characteristics of carburized gears", Surface and Coatings Technology, 71(2), pp.182~192 (1995)
- 조균택, "쇼트피닝과 이온질화를 이용한H13 강의 표면경화", 한국표면공학회 학술발표회초록집, pp.122~122 (2011)
- Spies, H-J, "PVD hard coatings on prenitrided low alloy steel", Surface and Coatings Technology, 60(1-3), pp.441~445 (1993)
- Genel, Kenan, "Effect of ion nitriding on fatigue behaviour of AISI 4140 steel", Materials Science and Engineering: A, 279(1-2), pp.207~216 (2000)
- Bader, M, "Properties of duplex treated (gas-nitriding and PVD-TiN,-Cr2N)low alloy steel", Surface and Coatings Technology, 98(1-3), pp.891~896 (1998)
- Ashrafizadeh, F., "Influence of plasma and gas nitriding on fatigue resistance of plain carbon (Ck45) steel", Surface and Coatings Technology, 174, pp.1196~1200 (2003)
- Zhecheva, A., "Titanium alloys after surface gas nitriding", Surface and Coatings Technology, 201(6), pp.2467~2474 (2006)
- Baranowska, J, "Influence of surface pretreatment on case formation during gaseous nitriding", Surface and Coatings Technology, 125(1-3), pp.30~34 (2000)
- 손석원, "고온 가스 질화와 저온 가스 질화 방법에 따른 AISI 410 마르텐사이트스테인레스강의 경화층 및 마모 특성", 한국표면공학회지, 51(4), pp.249~255 (2018), 한국표면공학회[DOI]
- Hoppe, Steffen, "Fundamentals and applications of the combination of plasma nitrocarburizing and oxidizing", Surface and Coatings Technology, 98(1-3), pp.1199~1204 (1998)
- WANG, Bo, "Effect of nitrided-layer microstructure control on wear behavior of AISI H13 hot work die steel", Applied Surface Science, 431, pp.39~43 (2018)
- KARAOĞLU, Serdar, "Structural characterization and wear behavior of plasma-nitrided AISI 5140low-alloy steel", Materials Characterization, 49(4), pp.349~357 (2002)
- Somers, M. A. J., "Formation and growth of compound layer on nitrocarburizing iron: kinetics and microstructural evolution", Surface engineering, 3(2), pp.123~137 (1987)
- DU, Hong, "Microstructural and compositional evolution of compound layers during gaseous nitrocarburizing", Metallurgical and Materials Transactions A, 31(1), pp.195~211 (2000)
- Lee, Kou Hyun, "Effect of post-oxidizing time on corrosion properties of plasma nitrocarburized AISI 1020 steel", Materials letters, 57(13-14), pp.2060~2065 (2003)
- WOEHRLE, T, "Microstructural and phase evolution of compound layers growing on α–iron during gaseous nitrocarburizing", Metallurgical and Materials Transactions A, 43(7), pp.2401~2413 (2012)
- Somers, Marcel AJ, "Layer-growth kinetics on gaseous nitriding of pure iron: Evaluation of diffusion coefficients for nitrogen in iron nitrides", Metallurgical and Materials Transactions A, 26(1), pp.57~74 (1995)
- Spies, H-J., "Controlled nitriding", Metal science and heat treatment, 46(7), pp.272~276 (2004)
- Yang, M., "Modeling the gas nitriding process of low alloy steels", Journal of Materials Engineering and Performance, 22(7), pp.1892~1898 (2013)
- Development of manufacturing technology for nitriding processes using nitriding potential control, "Umeda, Takaaki", KOMATSU, ~ (2014)
- Somers, Marcel AJ, "Comprehensive Materials Processing", pp.413~437 (2014), Elsevier
- Hiraoka, Yasushi, "Effect of Compound Layer Thickness Composed of γ'-Fe4N on Rotated-Bending Fatigue Strength in Gas-Nitrided JIS-SCM435 Steel", Materials Transactions, 58(7), pp.993~999 (2017)
- Widi, Komang Astana, "White Layer Control on AISI 316L Using Temperature and Gas Nitriding Diffusion Stage Process", International Review of Mechanical Engineering (I. RE. ME), 11(8), pp.613~618 (2017)
- Zhou, Z. A, "Analysis of gas nitriding characteristics under different cold hardening and nitriding pressure conditions for low-carbon low-alloy steel", Strength of Materials, 50(1), pp.211~217 (2018)
- Le, Ngoc Minh, "Effect of Nitriding Potential KN on the Formation and Growth of a “White Layer” on Iron Aluminide Alloy", Metallurgical and Materials Transactions B, 52(1), pp.414~424 (2021)
- Maldzinski, L., "New possibilities for controlling gas nitriding process by simulation of growth kinetics of nitride layers", Surface Engineering, 15(5), pp.377~384 (1999)
- Schneider, RS E., "Influence of increased nitriding temperatures on the hardness profile of low-alloy steels", Journal of materials science, 33(7), pp.1737~1744 (1998)
- Ghelloudj, Elhadj, "Effect of salt bath nitriding on surface roughness behaviour of AISI 4140 steel", Acta Metall. Slovaca, 23, pp.45~54 (2017)
- Menezes, Pradeep L, "Influence of roughness parameters on coefficient of friction under lubricated conditions", Sadhana, 33(3), pp.181~ (2008)
- Binder, C., "Effect of nature of nitride phases on sliding wear of plasma nitrided sintered iron", Wear, 332, pp.995~1005 (2015)
- Peng, Tiantian, "Phase constitution control of plasma nitrided layer and its effect on wear behavior under different loads", Surface and Coatings Technology, 403, pp.126403~ (2020)
- Wang, Bo, "Effect of nitrided-layer microstructure control on wear behavior of AISI H13 hot work die steel", Applied Surface Science, 431, pp.39~43 (2018)