Investigation of Wear Characteristics on Gas Nitrided AISI 304 Stainless Steel under Dry Sliding Conditions

Gandhi, M. Mamatha; Subbiah, Ramaswamy; Sree, K. Ramya; Rao, D S Naga Malleswara; Suresh, J; Subbiah, Ram

doi:10.1051/e3sconf/202339101091

Cited by 1 publication

(1 citation statement)

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“…Wear tribometer are widely used in tribology, which involves in placing a small pin against rotating disc as shown in Fig 2 . This setup allows for the evaluation of friction, wear, and other tribological properties of materials under controlled conditions. The wear characterization of the materials in this experiment would involve analyzing the wear behavior of the treated samples based on factors such as wear rate, coefficient of friction, and surface damage [35][36][37][38][39]. The results obtained from the wear test would provide insights into the effectiveness of the heat treatment processes in improving the wear resistance of the material.…”

Section: Fig2 Pin On Disc Equipment Usedmentioning

confidence: 99%

Analysis of Wear Behaviour on AISI 431 Martensitic Stainless Steel by Vacuum Annealing Process

Subbiah,

Kumar,

Sateesh

et al. 2023

E3S Web Conf.

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In the research work, AISI 431 grade stainless steel were chosen to investigate the effects of vacuum annealing processes on reducing hardness and enhancing ductility. Although stainless steel of martensitic type are well known for their high hardness, wear resistance and they have limited applications due to high hardness properties. Chosen for this research work, vacuum annealing were carried out to temperatures of 740°C, 840°C and 940°C. The samples were prepared cylindrically to a dimension of 40 mm length and 10 mm diameter. An untreated material was kept aside for comparison.Vacuum annealing involves heating the material in a controlled environment to eliminate impurities and relieve internal stresses, resulting in reduced hardness and improved ductility. To evaluate the effect of wear on annealed material, a pin-on-disc wear test apparatus were used. The wear behavior of the annealed specimens were compared to the untreated material. It includes both the treated and untreated samples, were examined by using a scanning electron microscope (SEM) to obtain images of microstructure. The results of this research work contribute to the understanding of the annealing effects on martensitic stainless steels and provide insights into optimizing their properties for specific applications.

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