DEEP CRYOGENIC TREATED HIGH CARBON STEEL BLADES: TRIBOLOGICAL, MORPHOLOGICAL, AND ECONOMIC ANALYSIS

Chander Jakhar, Anil Saroha, Parvesh Antil, Vishal Ahlawat, Asha Rani, Dharam Buddhi and Vinay Kumar
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Chander Jakhar: Department of Farm Machinery and Power Engineering, COAE&T, CCS HAU, Haryana, India
Anil Saroha: Department of Farm Machinery and Power Engineering, COAE&T, CCS HAU, Haryana, India
Parvesh Antil: ��Department of Basic Engineering, COAE&T, CCS HAU, Haryana, India
Vishal Ahlawat: ��Department of Mechanical Engineering, UIET, Kurukshetra University, Haryana, India
Asha Rani: �Department of Physics, Maharishi Dayanand University, Haryana, India
Dharam Buddhi: �Division of Research and Innovation, Uttaranchal University, Uttarakhand, India
Vinay Kumar: ��Department of Mathematics and Statistics, CCS HAU, Haryana, India

Surface Review and Letters (SRL), 2023, vol. 30, issue 01, 1-13

Abstract: Straw combines are intended to process the remaining harvested straw. When cut at high temperatures and in abrasive conditions, the cutting blade of straw combines undergoes substantial surface deterioration. This deterioration shortens the blade’s lifespan and increases the cutting cost of the machine. In recent decades, cryogenic treatments have played a significant role in enhancing material properties. In this paper, cryogenic treatment is utilized to boost the wear resistance of straw combine blades in the current investigation. The performance of cryogenic treatment was tested in the laboratory using the pin-on-disc wear tester with sample type, load, sliding velocity, and time serving as process factors and wear loss as the response parameter. The smoothness of the cryogenically-treated sample’s surface is certified through morphological examination. Specific wear rate and field emission scanning electron microscope (FE-SEM) indicated that cryogenic treatment enhances the grain structure and intermolecular interaction of the specimen, resulting in an increase in wear resistance. As opposed to the untreated specimen, the wear on the treated surface is uniform over the entire surface, as demonstrated by FE-SEM analysis. The grain structure and intermolecular bonding of the specimen were improved as a result of the cryogenic treatment. The cryogenic treatment increased the cost of the cutter bar and chopping cylinder blades by 9.38% and 13.61%, respectively, compared to untreated blades, but the increased cost was fully offset by the longer blade life.

Keywords: Cryogenic; energy dispersive spectroscopy; FE-SEM; high carbon steel; straw combine; Taguchi; wear (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0218625X22410025

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