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Multi-functional K[sub]{Ic}-test specimen for the assessment of different tool- and high-speed-steel properties = Večfunkcijski K[spodaj]{Ic}-preizkušanec za določanje različnih lastnosti orodnih in hitroreznih jekelLeskovšek, Vojteh ; Podgornik, Bojan, 1970-Depending on the differences in the balanced alloy composition and steel processing technology, the properties of tool and high-speed steel, like temper resistance, hot yield strength, ductility and ... toughness, thermal fatigue and shock resistance, as well as wear resistance can differ considerably among the same type of steel. A high hot-yield strength, a high temper resistance and a good ductility tend to result in a high resistance to thermal fatigue, while a resistance to mechanical and thermal shocks depends on the ductility and toughness. However, the properties of tool and high-speedsteels also depend on the final vacuum- heat-treatment process. Normally, hardness and fracture toughness are used to determine the influence of vacuum-heat- treatment parameters and to optimize them for the specific operating conditions of the tool. However, there are also other tool properties which are equally important and need to be taken into consideration. To determine such a wide range of properties, different test procedures and different test specimens are required since none of the standard tests alone is capable of providing the relevant properties completely. Currently the best overall appraisal of tool and high-speed steel applicability seems to be a combination of fracture toughness, bending or compression testing and in specific cases of impact or small-punch creep tests. The aim of the paper is to show the possibility of using a single K[sub]{Ic}-test specimen for the determination of such a wide range of properties, being important for tool and high-speed steels. Besides that, the usability of K[sub]{Ic}-test specimens for the assessment of technological properties such as nitridability, machinability, wear resistance, etc. was confirmed.Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 47, št. 3, maj-jun. 2013, str. 273-283)Type of material - article, component partPublish date - 2013Language - englishCOBISS.SI-ID - 991402
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source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 47, št. 3, maj-jun. 2013, str. 273-283)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Leskovšek, Vojteh | 07642 |
Podgornik, Bojan, 1970- | 15269 |
Source: Personal bibliographies
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