電気製鋼
Print ISSN : 0011-8389
論説
溶製法で製造したVC分散型高剛性鋼の諸特性
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73 巻 (2002) 1 号 p. 45-52

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The higher elastic modulus is so beneficial to slim automotive components that a large amount of rigid carbide has been dispersed in some steels through the powder metallurgy. Authors applied the ingot metallurgy less expensive to prepare VC dispersed steels, 2%C-8%V and 3% C -12%V. The hot workability of the billets is comparable to ones in a high speed steel, SKH51. Their Young's modulus as normalized is 233 to 243GPa which is significantly higher than 208GPa for conventional steels. The modulus doesn't vary when they are quenched and tempered to 255 to 461HV. Their 0.2% PS is essentially equal, while the elongation and the reduction in area are smaller compared with carbon or high strength steels heat-treated to the equivalent hardness.

© 2002 by ELECTRIC FURNACE STEEL FORUM
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