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stainless steel has the more positive corro-1Accelerated corrosion of a metal, due to the effect of a corrosion ele-ment. Other factors include concentration elements, aeration elements and active/passive elements. sion potentialofthe metalsin contact; hence there is usually a corrosion US5352526A - Hardfaced article and process to prevent US5352526A US07/475,757 US47575790A US5352526A US 5352526 A US5352526 A US 5352526A US 47575790 A US47575790 A US 47575790A US 5352526 A US5352526 A US 5352526A Authority US United States Prior art keywords layer substrate preform hard soft Prior art date 1990-02-06 Legal status (The legal status is an assumption and is not a legal conclusion.

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