A CVN-KIC correlation for H13 tool steels

S. Z. Qamar; A. K. Sheikh; A. F.M. Arif

doi:10.1504/IJMPT.2008.022519

A CVN-K_IC correlation for H13 tool steels

S. Z. Qamar, A. K. Sheikh, A. F.M. Arif

Mechanical and Industrial Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Fracture is the most common cause of die failure in hot extrusion. Prediction of fracture life requires a reasonably accurate determination of plane-strain fracture toughness (K_IC). Standard K_IC testing is difficult, time-consuming, and costly. Charpy impact energy (CVN) is often used as an indirect measure of fracture toughness. Published CVN-K _IC correlations do not generally apply to tool steels, and are not suitable for high temperature predictions. This paper is part of a study aimed at the development of a reasonable CVN-K_IC correlation for the hot work tool steel H13, subjected to various tempering cycles and tested at different elevated temperatures, based on hardness and impact energy data.

Original language	English
Pages (from-to)	421-432
Number of pages	12
Journal	International Journal of Materials and Product Technology
Volume	33
Issue number	4
DOIs	https://doi.org/10.1504/IJMPT.2008.022519
Publication status	Published - 2008

Keywords

CVN-K correlations
Charpy impact energy (CVN)
Fracture toughness (K ) prediction
H13 steel
Hardness rockwell scale C (HRC)
Hot extrusion
Hot work tool steels

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

Access to Document

10.1504/IJMPT.2008.022519

Cite this

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title = "A CVN-KIC correlation for H13 tool steels",

abstract = "Fracture is the most common cause of die failure in hot extrusion. Prediction of fracture life requires a reasonably accurate determination of plane-strain fracture toughness (KIC). Standard KIC testing is difficult, time-consuming, and costly. Charpy impact energy (CVN) is often used as an indirect measure of fracture toughness. Published CVN-K IC correlations do not generally apply to tool steels, and are not suitable for high temperature predictions. This paper is part of a study aimed at the development of a reasonable CVN-KIC correlation for the hot work tool steel H13, subjected to various tempering cycles and tested at different elevated temperatures, based on hardness and impact energy data.",

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AU - Qamar, S. Z.

AU - Sheikh, A. K.

AU - Arif, A. F.M.

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N2 - Fracture is the most common cause of die failure in hot extrusion. Prediction of fracture life requires a reasonably accurate determination of plane-strain fracture toughness (KIC). Standard KIC testing is difficult, time-consuming, and costly. Charpy impact energy (CVN) is often used as an indirect measure of fracture toughness. Published CVN-K IC correlations do not generally apply to tool steels, and are not suitable for high temperature predictions. This paper is part of a study aimed at the development of a reasonable CVN-KIC correlation for the hot work tool steel H13, subjected to various tempering cycles and tested at different elevated temperatures, based on hardness and impact energy data.

AB - Fracture is the most common cause of die failure in hot extrusion. Prediction of fracture life requires a reasonably accurate determination of plane-strain fracture toughness (KIC). Standard KIC testing is difficult, time-consuming, and costly. Charpy impact energy (CVN) is often used as an indirect measure of fracture toughness. Published CVN-K IC correlations do not generally apply to tool steels, and are not suitable for high temperature predictions. This paper is part of a study aimed at the development of a reasonable CVN-KIC correlation for the hot work tool steel H13, subjected to various tempering cycles and tested at different elevated temperatures, based on hardness and impact energy data.

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KW - Charpy impact energy (CVN)

KW - Fracture toughness (K ) prediction

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KW - Hardness rockwell scale C (HRC)

KW - Hot extrusion

KW - Hot work tool steels

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