材料科學(xué)與技術(shù)7(2)(已修改)
2025-05-19 18:01 本頁面
【正文】 Material Science and Technology Wang Fang An yang Institute of Technology Chapter 7. Composites 復(fù)合材料 Classification of Materials 材料 實例 優(yōu)點 缺點 金屬材料 鋼鐵 無機非金屬材料 普通玻璃 聚合物材料 塑料 硬度大易加工 易被腐蝕 抗腐蝕耐高溫 易破碎 耐腐蝕 易老化 不耐高溫 Motivations ? It has always been the hope to produce structural materials possessing both great ductility and extreme strength. ? Strength provides load carrying capability while ductility prevents sudden failure. ? Strength and ductility tend to be inpatible properties of simple, homogeneous materials. ? The idea of bining different materials seems to be a effective way. Mechanism ? Manmade posites are advantageous mechanically in that they typically bine the ductility and toughness of some matrix material with the load carrying ability of some introduced strong fibers or particles. ? Unlike metal alloys, the matrix and reinforcement do not interact chemically. ? Structural posites often have superior strengthtoweight and/or stiffnesstoweight ratios pared with homogenous materials. Definition of posite ?A posite is a bined material created by the synthetic assembly of two or more ponents a selected filler or reinforcing agent and a p
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