采用薄片叠层法制备了SUS304/Zr2梯度材料,对不同成分梯度层的收缩率和临界降温速率进行了工艺优化.结果表明,控制添加剂的加入量使各梯度层的线收缩率一致,用第三冲击因子估算的临界平均降温速率为1.73℃/min,可以避免缺陷的产生.1350℃真空烧结制得的梯度材料外观平整,成分呈梯度变化,界面结合良好,层间结合强度迭187.3MPa,可以满足航空技术时梯度材料的要求.
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