Abstract: The squeeze casting technology was used to manufacture gradient aluminum matrix composite reinforced by ceramic fibers,and metallographic structures and therma l properties of the composites were studied.

• 文摘:采用挤压铸造法制造陶瓷纤维增强梯度铝基复合材料，通过观察其金相组织、测试其热学性能，并对梯度复合材料活塞顶的温度分布及隔热效果进行了计算。