本文的目的是研究和比较sialon和SiC WRA刀具材料在时效硬化Inconel 718合金高速端面铣削中的性能，并强调使用陶瓷刀具的潜在优势。

The purpose of this paper is to investigate and compare the performance of sialon and SiC WRA tool material in high-speed face milling of age hardened Inconel 718 and highlight the potential advantages of using ceramic tools.