Reduced crater wear and improved high-speed dry cutting performance of B-containing AlTiBN coatings against Ti-6Al-4 V alloy

被引：23
作者：
Fang, Wei [1 ,2 ]
Chen, Junkai [1 ,2 ]
Cai, Fei [1 ]
Zhou, Qi [1 ,2 ]
Li, Mingxi [1 ,2 ]
Zhang, Shihong [1 ,2 ]
机构：
[1] Anhui Univ Technol, Key Lab Green Fabricat & Surface Technol Adv Met M, Minist Educ, Maanshan City 243000, Anhui, Peoples R China
[2] Anhui Univ Technol, Sch Mat Sci & Engn, Maanshan City 243002, Anhui, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 187卷
关键词：
AlTiBN coating; Thermal stability; High -speed dry cutting; Wear; HEXAGONAL BORON-NITRIDE; MECHANICAL-PROPERTIES; THERMAL-STABILITY; PVD COATINGS; TOOL WEAR; BEHAVIOR; TIALBN; MICROSTRUCTURE;
D O I：
10.1016/j.triboint.2023.108730
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
AlTiBN coatings with various B contents were fabricated to estimate their microstructures, thermal stability and high-speed dry cutting performance. Addition the B content promoted the structural refinement and increased the adhesive strength, ratios of H/E * and H3/E * 2, and thus reduced the coefficients of friction and wear rates of the AlTiBN coating. The high-speed dry turning (100 m/min without coolant) tests manifest significant enhancement in tool life of the AlTiBN coating compared with the AlTiN coating, and the B10 coating exhibited the longest cutting length of c. 780 m due to its high toughness, superior thermal stability, increasing ratios of H/ E * (0.082) and H3/E * 2 (0.207 GPa) at 1000 degrees C, and reduced crater wear and cutting force.
引用
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页数：17
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