The fracture toughness of borides formed on boronized cold work tool steels
Journal Article
·
· Materials Characterization
In this study, the fracture toughness of boride layers of two borided cold work tool steels have been investigated. Boriding was carried out in a salt bath consisting of borax, boric acid, ferro-silicon and aluminum. Boriding was performed at 850 and 950 deg. C for 2 to 7 h. The presence of boride phases were determined by X-ray diffraction (XRD) analysis. Hardness and fracture toughness of borides were measured via Vickers indenter. Increasing of boriding time and temperature leads to reduction of fracture toughness of borides. Metallographic examination showed that boride layer formed on cold work tool steels was compact and smooth.
- OSTI ID:
- 20748705
- Journal Information:
- Materials Characterization, Journal Name: Materials Characterization Journal Issue: 4-5 Vol. 50; ISSN 1044-5803; ISSN MACHEX
- Country of Publication:
- United States
- Language:
- English
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