Influence of Shallow and Deep Cryogenic Treatment on Tribological Behavior of En 19 Steel

Senthilkumar, D.; Rajendran, I.

doi:10.1016/s1006-706x(12)60034-x

Cited by 42 publications

(11 citation statements)

References 13 publications

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“…The development of stress relaxation generates crystal defects by means of cooling the martensite. This is the main reason for the reduction in hardness, as reported in the work of Senthilkumar [26].…”

Section: Microhardness Analysismentioning

confidence: 61%

Experimental investigation of various machining attributes and cost estimation during machining of hardened AISI 4340 steel with untreated and cryo treated cermet inserts

Das

Patel

et al. 2020

Mechanics & Industry

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Now-a-days due to growing demand of high precision components to attain high performances, hardened steels with hardness above 45HRC have numerous applications in automotive gear, machine tool and die industry because of their superior characteristics (high thermal stability, high indentation resistance, high abrasiveness, low ductility and high value of hardness to modulus of elasticity ratio). For this, higher tool life of cutting inserts cryogenic treatment is considered as the most prominent method but no substantial researches have been found concerning the impact of cryogenic treatment on cermet inserts, especially in turning of hardened steels. Therefore, in the present experimental investigation, the comparative assessment of various responses such as cutting force, flank wear, crater wear, chip morphology and surface roughness were carried out during machining of hardened steel with both untreated and cryo-treated cermet inserts under dry cutting condition. Lastly, the input variables were optimized using Response Surface Methodology (RSM) to evaluate the tool life for the economic analysis. The experimental result demonstrated that the uncoated deep cryo-treated with tempered cermet insert delivered better results in comparison to other cermet inserts. According to cost analysis, uncoated and deep cryo-treated with tempered cermet insert was found to be the most cost saving among other cermet inserts at the optimum cutting condition.

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Section: Microhardness Analysismentioning

confidence: 61%

Experimental investigation of various machining attributes and cost estimation during machining of hardened AISI 4340 steel with untreated and cryo treated cermet inserts

Das

Patel

et al. 2020

Mechanics & Industry

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“…SCT can facilitate the transformation of residual retained austenite into martensite and increase the formation of fine carbides precipitated from the matrices of tool steels (Senthilkumar & Rajendran, 2014;Joshi et al, 2015). DCT can promote the modification of residual retained austenite into martensite and accelerate the precipitation of fine distributions of carbides (Joshi et al, 2015;Senthilkumar & Rajendran, 2011). In fact, each cryogenic treatment shows different results for different tool steels, and the usefulness of each treatment has been compared by several authors.…”

Section: Classification Of Cryogenic Treatmentmentioning

confidence: 99%

Cryogenic treatment of tool steels: A brief review and a case report

Chowwanonthapunya¹,

Peeratatsuwan²,

Rithinyo³

2021

Marit. Technol. Res.

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Tool steels used in marine industries demand for the effective approach to enhance their properties. Normally, conventional heat treatment is widely used to increase the performance of tool steels. However, this method cannot fully enhance the tool steel performance. On the other hand, cryogenic treatment is a supplementary process to the conventional heat treatment, which can promote the conversion of retained austenite to martensite and accelerate the precipitation of fine carbides. In this paper, a systematic review of cryogenic treatment of tool steels was presented. A wide range of useful investigations was reviewed, particularly in the details of the transformation of retained austenite to martensite and the precipitation of the fine carbides. A case study on a tool steel subjected to conventional heat treatment, conventional cold treatment, and deep cryogenic treatment was also given and discussed to give an insight in the cryogenic treatment of tool steels.

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“…Senthilkumar and Rajendran examined the effects of DCT on the wear resistance of En19 steel [78]. Three different types of heat treatment were performed.…”

Section: Effects Of Ct On Microstructure Alteration and Wear Resismentioning

confidence: 99%

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

2019

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Cryogenic treatment is a supplemental structural and mechanical properties refinement process to conventional heat treatment processes, quenching, and tempering. Cryogenic treatment encourages the improvement of material properties and durability by means of microstructural alteration comprising phase transfer, particle size, and distribution. These effects are almost permanent and irreversible; furthermore, cryogenic treatment is recognized as an eco-friendly, nontoxic, and nonexplosive process. In addition, to encourage the application of sustainable techniques in mechanical and manufacturing engineering and to improve productivity in current competitive markets, cryo-treatment can be considered as a promising process. However, while improvements in the properties of materials after cryogenic treatment are discussed by the majority of reported studies, the correlation between microstructural alteration and mechanical properties are unclear, and sometimes the conducted investigations are contradictory with each other. These contradictions provide different approaches to perform and combine cryogenic treatment with pre-and post-processing. The present literature survey, mainly focused on the last decade, is aimed to address the effects of cryogenic treatment on microstructural alteration and to correlate these changes with mechanical property variations as a consequence of cryo-processing. The conclusion of the current review discusses the development and outlines the trends for the future research in this field.

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Influence of Shallow and Deep Cryogenic Treatment on Tribological Behavior of En 19 Steel

Cited by 42 publications

References 13 publications

Experimental investigation of various machining attributes and cost estimation during machining of hardened AISI 4340 steel with untreated and cryo treated cermet inserts

Experimental investigation of various machining attributes and cost estimation during machining of hardened AISI 4340 steel with untreated and cryo treated cermet inserts

Cryogenic treatment of tool steels: A brief review and a case report

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

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