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对新型陶瓷刀具ＬＤ－１切削超高强度钢和淬硬钢时的切削性能作了试验研究，结果表明，ＬＤ－１刀具较其它Ａｌ２Ｏ３－ＴｉＣ系陶瓷刀具更适于断续切削加工，因而具有较大的推广应用价值。
The cutting performance of the new ceramic tool LD-1 when cutting ultra-high strength steel and hardened steel was studied. The results show that the LD-1 tool is more suitable for intermittent cutting than other Al2O3-TiC ceramic tools, Larger application value.