Welded Joint Cracking in Martensitic Stainless Steel Precipitation-Sthregthened with Copper / Pękanie Złącz Spawanych Stali Nierdzewnej Martenzytycznej Utwardzanej Wydzieleniowo Miedzią

Open access

Problem of welded joint cracking in the HAZ of Cu strengthened 17-4PH grade precipitation hardening martensitic stainless steel is presented. Hypothesis concerning hydrogen embrittlement origin of the cracks is opposed. It was concluded that the cracks located in the high-temperature zone of the HAZ exhibit characteristics of hot cracks which originated as a result of steel embrittlement in the presence of Cu rich liquid phase. The mechanism of steel surface enrichment in Cu is proposed. Practical methods of cracks elimination are presented.

[1] ASM Handbook: Welding, Brazing and Soldering 6, 483-484 (2007).

[2] ASM Handbook: Properties and Selection: Irons, Steels, and High-Performance Alloys 1, 902-903 (2007).

[3] PN-EN 100088-1:2007 Stainless steels Part 1: List of stainless steels.

[4] E. Tasak, Metalurgia spawania, Wyd. Jak, Kraków (2008).

[5] S.P. Lynch, Hydrogen embrittlement and liquid-metal embrittlement in nickel single crystals, Scripta Metallurgica 13, 1051-1056 (1979).

[6] C.E. Price, R.S. Fredell, Comparative study of the embrittlement of Monel 400 at room temperature by hydrogen and by mercury, Metall. Transactions A 17A, 889-897 (1986).

[7] P. Gorgon, H. Henry, The mechanism of crack ini­tiation and crack propagation in metal-induced embrit­tlement of metals, Metall. Transactions A 13A, 457-471 (1982).

[8] P. Gorgon, Metal-induced embrittlement of metals an evaluation of embrittlement transport mechanisms, Metall. Transactions A 9A, 267-272 (1978).

[9] W. Łoskiewicz, M. Orman, Układy równowagi podwójnych stopów metali, Warszawa, PWN, (1955).

[10] K. Kowalczyk, Wpływ materiałów spawalniczych na skłonność do pęknięć stali 17-4PH, Masters thesis, AGH University of Science and Technology, Cracow, Poland, 2008.

[11] J. Czech, Problem spawalności cienkich blach z martenzytycznej stali nierdzewnej utwardzanej wydzie­leniowo miedzią - gatunku 17-4PH, Proc. XXXVI Szkoła Inżynierii Materiałowej Kraków - Krynica 2008. eds. J. Pacyna AGH University of Science and Technol­ogy, p. 212-220.

[12] E. Tasak, S. Kąc, A. Ziewiec, Cracking of metals in the presence of liquid copper, Metallurgy and Foundry Engineering 25, 2, 127 (1999).

Archives of Metallurgy and Materials

The Journal of Institute of Metallurgy and Materials Science and Commitee on Metallurgy of Polish Academy of Sciences

Journal Information

IMPACT FACTOR 2016: 0.571
5-year IMPACT FACTOR: 0.776

CiteScore 2016: 0.85

SCImago Journal Rank (SJR) 2016: 0.347
Source Normalized Impact per Paper (SNIP) 2016: 0.740

Cited By


All Time Past Year Past 30 Days
Abstract Views 0 0 0
Full Text Views 94 93 16
PDF Downloads 48 47 9