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- W43928169 abstract "An extensive literature survey on stress-corrosion cracking of a variety of steels was made in response to the need by the US Nuclear Regulatory Commission (NRC) to establish lower-bound K/sub Iscc/ values for bolting type materials. Materials evaluated include the heat-treatable plain-carbon and Cr-Mo and Cr-Mo-Ni low-alloy steels, 17-4 PH and Custom 455 precipitation-hardening stainless steels, and the 18Ni-maraging steels. An exhaustive survey was made for water, aqueous chloride, and aqueous sulfide environments. We also report limited data on H/sub 2/S and H/sub 2/ gases, aqueous H/sub 3/BO/sub 4/, and atmospheric environments. The data are presented in the form of K/sub Iscc/ versus yield strength. The proposed NRC lower-bound K/sub Iscc/ curve for the low-alloy steels is consistent with the data reported for the various aqueous environments, but excluding the sulfides. The corresponding lower-bound curve based on reported data for 18Ni-maraging steels falls below that proposed by the NRC, especially at the high strength levels. The lower-bound curves for the precipiation-hardening stainless steels fall below the lower-bound curve for the maraging steels at the lower strength levels, but they merge at a yield strength of approximately 220 ksi. Reference is also made to crack-growth rate (CGR) and time to failuremore » (t/sub f/). These two parameters frequently were found to vary differently from the corresponding K/sub Iscc/ values when examined as a function of material or environmental variables. The influence of various material and environmental factors on K/sub Iscc/, CGR, and t/sub f/ are discussed. 177 refs., 19 figs.« less" @default.
- W43928169 created "2016-06-24" @default.
- W43928169 creator A5042790921 @default.
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- W43928169 date "1981-10-01" @default.
- W43928169 modified "2023-09-27" @default.
- W43928169 title "Lower-bound K/sub Iscc/ values for bolting materials. A literature study" @default.
- W43928169 hasPublicationYear "1981" @default.
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