Effect of Combined Cyclic Heat Treatment on AISI 1080 Steel: Part II‐Mechanical Property Evaluation | Zendy

Mishra Alok | Zendy; Mondal Chandan | Zendy; Maity Joydeep | Zendy

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Effect of Combined Cyclic Heat Treatment on AISI 1080 Steel: Part II‐Mechanical Property Evaluation

Author(s) -

Mishra Alok,

Mondal Chandan,

Maity Joydeep

Publication year - 2017

Publication title -

steel research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.603

H-Index - 49

eISSN - 1869-344X

pISSN - 1611-3683

DOI - 10.1002/srin.201600215

Subject(s) - materials science , eutectic system , cementite , ductility (earth science) , metallurgy , diffusionless transformation , elongation , carbon steel , carbon fibers , martensite , composite material , ultimate tensile strength , alloy , austenite , microstructure , composite number , corrosion , creep

A typical plain carbon eutectoid steel (without addition of any significant alloying element) is developed possessing notably high strength (UTS = 2016 MPa) and reasonable ductility (%Elongation = 11) with an application of typical cyclic heat treatment that involves a combination of reconstructive and displacive transformations in successive two heat treatment cycles. Apart from fine clusters and spheroids (less than 1 μm in size), the dispersion of nano‐sized cementite particles in a martensitic matrix contributes to significant strengthening of steel. The strength enhancement is much higher than the cyclic heat treatment processes involving only reconstructive transformation or displacive transformation. Accordingly, such a combined cyclic heat treatment paves a new way for high strength plain carbon steel development.

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