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Journal articles
Effect of aluminizing and oxidation on the thermal fatigue damage of hot work tool steels for high pressure die casting applications
Abstract : The interaction between thermal fatigue and aluminizing and/or oxidation is investigated using an experimental approach based on decoupling of mechanisms. Virgin and pre-aluminized steel specimens are tested in air and nitrogen between 100 and 650 °C. Homogeneous uniaxial micro-crack network forms on the oxidised or pre-aluminized surface in air, with a better resistance to micro-cracking for the intermetallic coating. The propagation of the micro-cracks is delayed in nitrogen, whilst no evidence of micro-cracking is observed on the virgin specimen. The premature cracking of the steel depends on the formation of the superficial micro-crack network, and the crack propagation is assisted by oxidation.
Cited literature [62 references]
https://hal-mines-albi.archives-ouvertes.fr/hal-01898697
Contributor : Imt Mines Albi Ecole Nationale Supérieure Des Mines d'Albi-Carmaux <>
Submitted on : Friday, February 15, 2019 - 11:12:04 AM
Last modification on : Wednesday, June 24, 2020 - 4:18:56 PM
Long-term archiving on: : Friday, May 17, 2019 - 12:43:03 PM
Contributor : Imt Mines Albi Ecole Nationale Supérieure Des Mines d'Albi-Carmaux <>
Submitted on : Friday, February 15, 2019 - 11:12:04 AM
Last modification on : Wednesday, June 24, 2020 - 4:18:56 PM
Long-term archiving on: : Friday, May 17, 2019 - 12:43:03 PM
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