The morphology of oxide film growth on AISI type 304 stainless steel in high temperature water at 300° and 350° C

Francis, J.M.; Whitlow, W.H.

doi:10.1016/0022-3115(66)90016-x

Cited by 17 publications

(1 citation statement)

References 6 publications

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“…Rare earth (RE) elements addition can reduce the impurities amount in melt form because of the active properties of RE, and it has brilliant effect on improving the oxidation resistance of alloy by forming an adhesive protective oxide scale which had a low growing rate [5,6]. In 1966, Francis and Whitlow first added yttrium element to Cr-Fe alloy which was proved to improve the oxidation resistance [7]. In the past decades, a number of studies had shown that the addition of RE elements to superalloy was beneficial to improve the oxidation-resistance properties of alloys in high temperature environment [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Effect of Y on the Oxidation Behavior of a Directionally Solidified Ni-based Single Crystal Superalloy

Zhao

Guan

Cui

et al. 2020

Preprint

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The effect of Y addition on the oxidation behavior of a Ni-based directionally solidified single crystal superalloy was investigated. Isothermal oxidation test for the samples with different-level Y addition was conducted at 1100℃ in air. The Y content of the samples was demarcated by the actual pickup amount resulted from ICP-AES test. It was found that the addition of Y increased the oxide resistance by an adhesive double-layer oxide scale which was composed of Al2O3 and spinel Ni(Cr,Al)2O4. With 70ppm Y addition, the oxidation weight gain was decreased from 12.6g/m2 for the alloy without Y addition to 5.3g/m2, and the oxidation rate was significantly decreased. Besides, the internal nitride also disappeared after Y doping because of the increasing oxidation scale adherence and the decreasing of oxidation products. In this study, 660ppm Y addition alloy showed the best oxidation resistance.

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