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. ASTM Special Technical Publication, 1523 S. pp. 467-488. ISSN 0066-0558. . .
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Abstract
A quench probe, based on the 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 is based on the cooling curve measured just below surface of the cylindrical probe of 50-mm diameter. A two-dimensional computer program, based on the cooling time from 800°C to 500°C (t 8/5), 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. Copyright © 2010 by ASTM International.
| Item Type: | Article (UNSPECIFIED) |
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| Keywords (Croatian): | Forecasting; Gradient methods; Hardness; Heat transfer coefficients; Phase diagrams; Probes; 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 |
| Subjects: | TECHNICAL SCIENCE |
| Divisions: | 1000 Department of Materials |
| Indexed in Web of Science: | No |
| Indexed in Current Contents: | No |
| Citations SCOPUS: | 0 (10.4.2015.) |
| Date Deposited: | 10 Apr 2015 08:50 |
| Last Modified: | 10 Apr 2015 08:50 |
| URI: | http://repozitorij.fsb.hr/id/eprint/3722 |
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