Prediction of quench-hardness within the whole volume of axially-symmetric workpieces of any shape

Liščić, Božidar and Singer, Saša and Smoljan, Božo (2010) Prediction of quench-hardness within the whole volume of axially-symmetric workpieces of any shape. = Prediction of quench-hardness within the whole volume of axially-symmetric workpieces of any shape. Strojniški Vestnik/Journal of Mechanical Engineering, 56 (2). pp. 104-114. ISSN 0039-2480. . .

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Abstract

A quench probe, based on temperature gradient method was used to measure and record cooling curves when quenching real axially symmetric workpieces of any complex shape in liquid quenchants. Calculation of relevant heat transfer coefficients (HTC) is based on the cooling curve measured just below surface of the cylindrical probe of 50 mm diameter. A 2-D computer program, based on the cooling time from 800 to 500°C (t8/5), and the Jominy hardenability curve of the steel grade in question, is used to predict the hardness distribution within the whole volume of the workpiece, all at once, which is a unique feature of this method. © 2010 Journal of Mechanical Engineering. All rights reserved.

Item Type: Article (UNSPECIFIED)
Keywords (Croatian): Hardness prediction; Heat transfer coefficient; Quenching; All-at-once; Axially symmetric; Complex shapes; Computer program; Cooling curve; Cooling time; Hardenability curve; Hardness distribution; Hardness prediction; Quenchants; Steel grades; Temperature gradient method; Unique features; Work pieces; Cooling; Forecasting; Gradient methods; Heat exchangers; Heat transfer coefficients; Phase diagrams; Probes; Quenching; Sulfur compounds; Two dimensional; Hardness
Subjects: TECHNICAL SCIENCE
Divisions: 1000 Department of Materials
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Citations JCR: 2 (9.4.2015.)
Citations SCOPUS: 2 (9.4.2015.)
Date Deposited: 09 Apr 2015 13:00
Last Modified: 14 Apr 2015 08:35
URI: http://repozitorij.fsb.hr/id/eprint/3730

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