Nano-Scratching resistance of high-chromium white cast iron and its correlation with wear of cBN tool in machining

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Sammanfattning

In this paper, a nano-scratch testing approach was used to measure and evaluate the abrasion wear resistance of high-chromium white cast irons in order to understand the wear mechanism in the interaction between the high-chromium white cast iron and the cBN cutting tool during the machining process. Scratch testing was performed on a nanoindentation instrument using a diamond indenter as the scratch tool. Linear multi-pass scratches in the same path were made on pre-worn surfaces of test materials. The correlation of the scratching resistance and tool wear measured from the machining is presented by the flank wear and maximum scratch depth. The appearance of the cutting edge on a cBN tool suggests that the abrasion wear is mainly related with a combined effect of the carbides and the matrix during machining the high-chromium white cast iron.

Originalspråkengelska
Sidor (från-till)365-372
Antal sidor8
TidskriftJournal of Superhard Materials
Volym39
Utgåva5
DOI
StatusPublished - 2017 sep 1

Ämnesklassifikation (UKÄ)

  • Tribologi

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