Resistance of the alloy to crack nucleation

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1. Would you expect the fracture toughness of quenched and tempered aluminum bronze to be high or low? Would there be a di¤erence in the resistance of the alloy to crack nucleation compared with crack growth? Explain.

2. Based on the photomicrograph in Figure 14-8(a), would you expect the γ₀ precipitate or the carbides to provide a greater strengthening effect in superalloys at low temperatures? Explain.

Reference no: EM131274657

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