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Some Results from the Investigation of Effects of Heat Treatment on Properties of Ni-Hard Cast Irons

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Figure

Table 1. Element  Chemical composition of Ni-hard cast irons Standard Ni-hard 2 Standard Ni-hard 4
Fig. 1.  Microstructure of Ni-hard 2, in the as-cast condition, X500; etched with Villela's
Fig.6.  Microstructure of Ni-hard 4, after annealing at 790oC, during 4 h, X200; etched with Villela's
Table 2 . Values of hardness for cylindrical samples HRC

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