Wear and Friction Evaluation of Different Tool Steels for Hot Stamping

Autor:	Maider Muro, Garikoitz Artola, Anton Gorriño, Carlos Angulo
Jazyk:	angličtina
Rok vydání:	2018
Předmět:	Materials of engineering and construction. Mechanics of materials TA401-492
Zdroj:	Advances in Materials Science and Engineering, Vol 2018 (2018)
Druh dokumentu:	article
ISSN:	1687-8434 1687-8442
DOI:	10.1155/2018/3296398
Popis:	The aim of this work is to investigate the durability of tool steels for hot stamping by comparing the wear resistance of three hot work tool steels. Friction and wear behaviours of different tool steels sliding against a 22MnB5 uncoated steel at elevated temperatures were investigated using a high-temperature version of the Optimol SRV reciprocating friction and wear tester at temperatures of 40 and 200°C. Our results show that friction decreased with increasing temperature, whereas wear of the tool steel increased with temperature for the second and the third tested tool steels. The slightly better wear behaviour of steel specimen 1 comes from the hardness of the carbides in the martensitic microstructure, which are rich in vanadium.
Databáze:	Directory of Open Access Journals
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