Ferrite, Hydrogen's Fast Lane
Got something to say to this podcast? Send a voicemail, and you might hear yourself on the next episode! Episode 88 of the Professor Alex Volinsky podcast. Retained delta ferrite protects 17-4PH steel against hydrogen embrittlement: fast diffusion through ferrite lowers local hydrogen at dangerous traps. Best case (480 C/4 h age, 12 h charge) measured 40.9% susceptibility, the lowest reported. Based on the paper: Ferrite Effects on the Hydrogen Embrittlement of 17-4PH Stainless Steel; Y. Zheng, H. Sun, L. Yan, H. Yang, X. Pang, K. Gao, A.A. Volinsky; Anti-Corrosion Methods and Materials, 2022, Vol. 69(3), pp. 331-338. Hosts Elena and Marcus. AI-generated voices.
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