Cycle Strain Relaxation of Spring Steels 35SiMnVB, 50CrMn and 50CrVA(Mechanical Behavior of Materials 2)

概要

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The characteristics of cycle strain relaxation for spring steel 35SiMnVB, 50CrMn and 50CrVA under the various cycle stress are investigated. The cycle strain relaxation for three spring steels having various hardness under the different cycle stress is measured and the microstructures of three spring steels are observed. The results show that the cycle strain relaxation increases with increasing of cycle numbers under the giving cycle stress, and with increasing of cycle stress under the giving cycle number. The cycle strain relaxation value for new spring steel 35SiMnVB is less than that of spring steel 50CrMn, but more than that of spring steel 50CrVA. This shows that the cycle relaxation resistance of new spring steel 35SiMnVB is satisfactory for using in the automobile. The mentioned results are discussed.
一般社団法人日本機械学会の論文
2001-10-20