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Influential factors in the surface hardness testing of a nitrided layer (CROSBI ID 184807)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cajner, Franjo ; Landek, Darko ; Kumić, Ivan ; Vugrinčić, Amalija Influential factors in the surface hardness testing of a nitrided layer // Materiali in tehnologije, 47 (2013), 4; 531-533

Podaci o odgovornosti

Cajner, Franjo ; Landek, Darko ; Kumić, Ivan ; Vugrinčić, Amalija

engleski

Influential factors in the surface hardness testing of a nitrided layer

Nitrocarburizing is one of the frequently applied processes that significantly improve the service life of steel parts in the complex activity of mechanical loads, wear, and corrosion damages. Characterization and confirmation of the quality of a nitrided/nitrocarburized layer is a prescribed norm which includes the determination of surface hardness, nitriding hardening depth, compound zone thickness and its porosity. In the testing of surface hardness, in spite of determined conditions, there are additional factors that can affect the obtained result and can lead to a misunderstanding between the customer and the provider of the service of nitriding. In this paper, possible influential factors related to the surface hardness are considered and statistically analyzed by the ANOVA two factor test. The considered influential factors are: surface preparation method and loading force. Tests carried out during the research indicated a significant influence of the loading force and of the surface preparation on the results of the nitrided/nitrocarburized steel surface hardness. Also, the indentation size effect is confirmed in the hardness tests with a small loading force.

nitriding layer ; nitrocarburizing ; surface hardness

Rad je kao poster prezentiran na skupu The 20th Jubilee Conference on Materials and Technology 17– 19 October 2012, Portoroz, Slovenia

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Podaci o izdanju

47 (4)

2013.

531-533

objavljeno

1580-2949

1580-3414

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost