The effects of residual elements and deoxidation practice on the mechanical properties and stress relief cracking susceptibility of ½%CrMoV turbine castings
Abstract:The effects of residual element content on the mechanical properties and stress relief cracking susceptibility have been investigated for basic electric arc melted ½%CrMoV steel castings deoxidized by using either aluminium or titanium practices. The residual element contents ranged from the lowest readily available in commercial practice to levels substantially higher than those common at present. In normalized and tempered material, deoxidation by the use of aluminium resulted in lower creep rupture ductilit… Show more
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