Drawings will also include the material part Numbers, tolerances clearances, surface machining symbols, heat treatment information, surface protection, material weight and other necessary information.
The test result showed that sepiolite fibre reinforced phenolic resin-based composite was a new ablation-resistant material for heatprotection.
试用结果表明，海泡石纤维增强酚醛复合材料是一种新型耐烧蚀绝热防护材料。
3
After following the chemical vapor deposition and carbonization of carbon-carbon composites in an argon graphite under the protection of heat-treatment, to improve and enhance the material properties.