Effect of cryogenic treatment on distribution of residual stress in case carburized En 353 steel

Bensely, A.; Venkatesh, Svetha; Lal, D. Mohan; Nagarajan, G.; Rajadurai, A.; Junik, Krzysztof

doi:10.1016/j.msea.2007.07.035

Cited by 155 publications

(89 citation statements)

References 4 publications

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“…Traditionally, the improvement of the tribological resistance of steel alloys was attributed to the transformation of retained austenite 1,[5][6][7] and to the refinement of secondary carbides. [8][9][10] Recent studies have shown that the martensitic transformation of retained austenite at low temperatures involves a plastic deformation of virgin martensite.…”

Section: Introductionmentioning

confidence: 99%

Influence of a cryogenic treatment on the fracture toughness of an AISI 420 martensitic stainless steel

Prieto¹,

Tuckart²,

Ipiña³

2017

Mater. Tehnol.

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Cryogenic treatments have been employed over the past three decades for both tool and high-alloy steels to improve their wear resistance, mainly through the transformation of retained austenite and the precipitation of fine carbides. However, as the enhancement of one material property is often at the expense of another, it is interesting to evaluate the effect of this type of treatments on the fracture toughness. The objective of the present work was to determine the plane-strain fracture toughness of a cryogenically treated low-carbon AISI 420 martensitic stainless steel by means of standardized fracture tests, performed in accordance with the ASTM E399 and ASTM E1820 standards. In this study, it was experimentally demonstrated that cryogenically treated specimens showed a simultaneous increase in the KIC and hardness of 30 % and 5 %, respectively, compared to conventionally treated specimens. Keywords: cryogenic treatment, carbide refinement, plane-strain fracture toughness, low-carbon martensitic stainless steel Obdelava s podhlajevanjem v zadnjih treh desetletjih, tako za orodja kot za visokolegirana jekla, pomeni izbolj{anje njihove odpornosti proti obrabi, predvsem zaradi preoblikovanja zadr`anega avstenita in zgo{~evanja finih delcev. Kakorkoli`e, izbolj{anje enega materiala je pogosto, vendar na ra~un drugega, zato je zanimivo oceniti u~inek takega tipa obdelave na lomnò ilavost. Predmet pri~ujo~ega dela je bila dolo~itev lomne`ilavosti kriogensko obdelanega nizkoogljikovega martenzitnega nerjave~ega jekla AISI 420, s pomo~jo standardiziranih testov zlomov, izvedenih v skladu s standardoma ASTM E399 in ASTM E1820. V {tudiji je bilo s poizkusi dokazano, da so kriogensko obdelani vzorci pokazali hkratno pove~anje KCI in trdote za 30 % in 5 %, v primerjavi s konvencionalno obdelanimi vzorci. Klju~ne besede: obdelava s podhlajevanjem, pre~i{~enje delcev, lomna`ilavost, nizkoogljo~no martenzitno nerjave~e jeklo

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Section: Introductionmentioning

confidence: 99%

Influence of a cryogenic treatment on the fracture toughness of an AISI 420 martensitic stainless steel

Prieto¹,

Tuckart²,

Ipiña³

2017

Mater. Tehnol.

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“…The changes in hardness and wear characteristics have been confirmed by published papers [1][2][3][4][5][6][7][8][9][10][11][12]. Beneficial effects of CT on toughness and fatigue behavior have also been claimed by some authors [3].…”

Section: Past Researchmentioning

confidence: 57%

“…The research about CT has been validated [1][2][3][4][5][6][7][8][9][10][11][12] by the field tests which have shown enhancement in hardness and durability of tool steels. By the close of the last century, the CT has been tried upon many different varieties of steels, cast iron and nonferrous metals.…”

Section: Past Researchmentioning

confidence: 99%

On electrical resistivity of AISI D2 steel during various stages of cryogenic treatment

Lomte¹,

Gogte²,

Peshwe³

2012

AIP Conference Proceedings

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The effect of dislocation densities and residual stresses is well known in tool steels. Measurement of electrical resistivity in order to monitor dislocation densities or residual stresses has seldom been used in investigating the effect of cryogenic treatment on tool steels.Monitoring residual stresses during cryogenic treatment becomes important as it is directly related to changes due to cryogenic treatment of tool steels. For high carbon high chromium (HCHC-AISI D2) steels, not only wear resistance but dimensional stability is an important issue as the steels are extensively used in dies, precision measuring instruments.This work comprises of study of measurement of electrical resistivity of AISI D2 steel at various stages of cryogenic treatment. Use of these measurements in order to assess the dimensional stability of these steels is discussed in this paper.

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“…According to the past studies, the rate of cooling down to sub-zero level may significantly affect the material properties [15,29], where some damage in the form of thermal shock cracks may occur if the rate of cooling is not sluggish enough or due to sudden temperature variations [30,31]. In the present work, the rate of cooling is in the order of 1.5 K min −1 and is slow enough to be helpful to avoid any microcracking [15].…”

Section: Discussionmentioning

confidence: 73%

The effect of cryogenic treatment on ageing behaviour of B4C reinforced 7075 aluminium composites

TASKESEN¹,

Aksöz²,

Özdemir³

2017

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In the current study, an effect of cryogenic treatment on the ageing of a B4C particulate reinforced 7075 aluminium alloy was investigated to identify changes in hardness with respect to ageing time. To achieve this, first, 10, 15, and 25 % by weight B4C particulate containing 7075 Al composite specimens were produced by hot pressing of Al, Cu, Zn, and Mg elemental powders. Next, cryogenic treatment and multiple steps of tempering were adapted to several samples. Such as, after solutionizing at 470• C and sub-zero treatment at -146• C, successive intervals of artificial ageing at 120• C for different time periods were applied. During the heat treatment, hardness values were measured after each interval. Findings reveal that, particularly after solutionization, cryogenic treatment before ageing yields high hardness values. However, the hardness of the composite material exceeds this level during ageing treatment, mainly after long ageing times.K e y w o r d s:

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Effect of cryogenic treatment on distribution of residual stress in case carburized En 353 steel

Cited by 155 publications

References 4 publications

Influence of a cryogenic treatment on the fracture toughness of an AISI 420 martensitic stainless steel

Influence of a cryogenic treatment on the fracture toughness of an AISI 420 martensitic stainless steel

On electrical resistivity of AISI D2 steel during various stages of cryogenic treatment

The effect of cryogenic treatment on ageing behaviour of B4C reinforced 7075 aluminium composites

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