1.1 本试验方法包括在蒸汽气氛中高温下碳化硅耐火材料抗氧化性的评估。蒸汽用于加速试验。抗氧化性是耐火材料中碳化硅（SiC）抵抗转化为二氧化硅（SiO）的能力 2. )以及随之而来的晶体生长。 1.2 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 3.1 碳化硅耐火材料在高温下的氧化是这些耐火材料应用中的一个重要考虑因素。氧化的产物是无定形二氧化硅或方石英，这取决于氧化发生的温度。 这种氧化物的形成与强度的膨胀和退化有关。大气中的水蒸气量极大地影响氧化速率。 3.2 该测试创建并测量膨胀，适用于指导产品开发和应用工作中的相对比较，其中氧化潜力是值得关注的。测试的可变性使得不建议用作裁判测试。

1.1 This test method covers the evaluation of the oxidation resistance of silicon carbide refractories at elevated temperatures in an atmosphere of steam. The steam is used to accelerate the test. Oxidation resistance is the ability of the silicon carbide (SiC) in the refractory to resist conversion to silicon dioxide (SiO 2 ) and its attendant crystalline growth. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 3.1 The oxidation of silicon carbide refractories at elevated temperatures is an important consideration in the application of these refractories. The product of oxidation is amorphous silica or cristobalite, depending upon the temperature at which oxidation takes place. This oxide formation is associated with expansion and degradation of strength. The quantity of water vapor in the atmosphere greatly affects the rate of oxidation. 3.2 The test, which creates and measures the expansion, is suitable for guidance in product development and relative comparison in application work where oxidation potential is of concern. The variability of the test is such that it is not recommended for use as a referee test.