Oil producers are interested in finding high-strength nickel alloys that are corrosion-resistant. Nickel alloys are especially susceptible

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Oil producers are interested in finding high-strength nickel alloys that are corrosion-resistant. Nickel alloys are especially susceptible to hydrogen embrittlement, a process that results when the alloy is cathodically charged in a sulfuric acid solution. To rate the performance of two incoloy alloys, 800 and 902, hydrogen charged tensile of each alloy were measured for the amount of ductility loss (recorded as a percentage reduction of area). The measurements for eight tensile specimens of each type are given in the table. Conduct a test to determine whether the probability distributions of ductility losses differ for the two nickel alloys. Use α = .05.

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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