Rare earth deep cementing steel
It contains the one or two of rare-earth element cerium and lanthanium. Through long-time carburizing, not onlycrystal grain of austenite is refined and at secondary heating quench morphology heredity will not happen, and also fine carbonide is distributed evenly and bending strength and fracture to...
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| Zusammenfassung: | It contains the one or two of rare-earth element cerium and lanthanium. Through long-time carburizing, not onlycrystal grain of austenite is refined and at secondary heating quench morphology heredity will not happen, and also fine carbonide is distributed evenly and bending strength and fracture toughness of carburized layer increase obviously. |
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