The Microstructural Criterion for Creep Strength Breakdown in a 10%Cr Martensitic Steel

Volume: 879, Pages: 465 - 470
Published: Nov 1, 2016
Abstract
A 10%Cr martensitic steel with 3%Co and 0.008%B tempered at 770°C exhibits no creep strength breakdown at a temperature of 650°C up to an extremely high rupture time of ∼4×104 h under an applied stress of 120 MPa. The minimum creep rate was ∼3×10-11 s-1. Microstructural characterization showed that superior creep resistance associated with a high stability of tempered martensite lath structure. Boundary M23(B⋅C)6 phase particles are highly...
Paper Details
Title
The Microstructural Criterion for Creep Strength Breakdown in a 10%Cr Martensitic Steel
Published Date
Nov 1, 2016
Volume
879
Pages
465 - 470
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