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一、引言不锈钢广泛用于工业和消费品中,使这些合金具有令人满意的和称为“不锈”性能的是它在大多数普通气氛中具有极慢的腐蚀速率。在室温下的空气中最初迅速的氧化后,其氧化速率几乎为零。在普通使用条件下氧化层能保持许多年。不锈钢通常是一种含铬在11%到30%之间的铁合金。不锈钢作为一个通称术语包括许多标准成份,它随各公司的商标和特殊的应用而变化。不锈钢的成份是从含铬11%的简
I. INTRODUCTION Stainless steels are widely used in industrial and consumer products to render these alloys satisfactory and termed “stainless” properties because they have extremely slow corrosion rates in most common atmospheres. After the initial rapid oxidation in air at room temperature, the oxidation rate is almost zero. The oxide layer can last many years under normal conditions of use. Stainless steel is usually a ferrous alloy containing 11% to 30% chromium. Stainless steel as a generic term includes many standard ingredients, which vary by company logo and special application. The stainless steel is made from 11% chromium