The test results show that, with increasing nickel content, the martensite lath becomes small, the increase in content of retained austenite and carbides reduce the number of the smaller size. With the increase in nickel content, the plasticity and toughness of the bearing steel to improve the mecha

Experimental studies showed that with the increased nickel content of the maraging steel plate, harness, and small residual austenitic increases, while reducing the number of indexable carbide, size smaller. With the increase of nickel-bearing steel, the plastic flexible and integrated mechanics for

The experimental study result indicated that, along with the nickel content increase, the martensite plank ties becomes tiny, the residual austenite content increases, simultaneously carbide quantity reduces, the size changes small.Along with contains the nickel quantity increase, the bearing steel

Test results show that, as the nickel content increases, the martensite lath-beam becomes smaller, and increased residual austenite content, at the same time reduce the number of carbides, size small. With the increase in nickel, plasticity and toughness of steels to improve the bearing, better inte

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