Wang Lan, Chen Jingrong. The Structure Investigation of A Fe-W(Mo)-Co(Ni) Age Hardening Tool Steel[J]. Chinese Journal of Engineering, 1988, 10(4): 422-427. DOI: 10.13374/j.issn1001-053x.1988.04.024
Citation: Wang Lan, Chen Jingrong. The Structure Investigation of A Fe-W(Mo)-Co(Ni) Age Hardening Tool Steel[J]. Chinese Journal of Engineering, 1988, 10(4): 422-427. DOI: 10.13374/j.issn1001-053x.1988.04.024

The Structure Investigation of A Fe-W(Mo)-Co(Ni) Age Hardening Tool Steel

  • The phase constituent and structure of a Fe-W(Mo)-Co(Ni) age hardening tool steel were investigated by TEM-SEM, X-ray and image analysis. The mechanizm of age hardening indicated that the non-barrier precipitation-spinodal decomposition happened at the initial stage of age hardening to form a period structure, the growth of this structure was very slow, and it caused the fast hardening and slow softening in the aging process.
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