Results 1 to 10 of about 13,352 (253)

Critical Depth of Hard Brittle Materials on Nano Plastic Forming

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2008
This paper reports on ductile to brittle transition of hard brittle materials in nano plastic forming process. Formability of some hard brittle materials, i.e., glasses, silicon and quartz wafers, were examined through a specially designed and developed ...
Masahiko YOSHINO, Aravindan SIVANANDAM, Yuki KINOUCHI, Takashi MATSUMURA   +3 more
doaj   +6 more sources

Femtosecond laser hybrid processing strategy of transparent hard and brittle materials

Frontiers in Chemistry, 2022
With high hardness, high thermal stability, chemical inertness and excellent optoelectronic properties, transparent hard and brittle materials have drawn significant attentions in frontier domains such as aerospace, photoelectric detection, and high ...
Jia-Wei Tan, Jia-Wei Tan, Gong Wang, Gong Wang, Guo-Xu Zhao, Guo-Xu Zhao, Ya-Chong Hou, Ya-Chong Hou, De-Rong Sun, De-Rong Sun, Yi-Fei Song, Yi-Fei Song, Le-Yan Dong, Le-Yan Dong, Hui Zhao, Yulei Wang, Yulei Wang   +16 more
doaj   +5 more sources

Piezoelectric Ultrasonic Local Resonant Ultra-Precision Grinding for Hard–Brittle Materials [PDF]

Micromachines
Hard–brittle materials are widely used in the optics, electronics, and aviation industries, but their high hardness and brittleness make it challenging for traditional processing methods to achieve high efficiency and superior surface quality. This study
Dawei An, Jianghui Xian, Yi Zhang, Guoqiang Cheng, Yankai Huang, Zhongwei Liang, Weiqing Huang   +6 more
doaj   +2 more sources

Review on Research and Development of Abrasive Scratching of Hard Brittle Materials and Its Underlying Mechanisms

Crystals, 2023
Hard brittle materials such as ceramics and crystals are commonly utilized in various industries, including information technology, mechanical engineering, and semiconductors.
Huina Qian, Mengkai Chen, Zijian Qi, Qi Teng, Huan Qi, Li Zhang, Xiaohang Shan   +6 more
doaj   +3 more sources

An Improved Cutting Force Model for Ultrasonically Assisted Grinding of Hard and Brittle Materials

Applied Sciences, 2021
Cutting force is one of the most important factors in the ultrasonically assisted grinding (UAG) of hard and brittle materials. Many theoretical and experimental studies show that UAG can effectively reduce cutting forces.
Renke Kang, Jinting Liu, Zhigang Dong, Feifei Zheng, Yan Bao, Jiadong Duan   +5 more
doaj   +3 more sources

Insight on the regulation mechanism of the nanochannels in hard and brittle materials induced by sparially shaped femtosecond laser

Frontiers in Chemistry, 2022
The efficient fabrication of nanochannels on hard and brittle materials is a difficult task in the field of micro and nano processing. We have realized nanochannel arrays on silica with characteristic scales varying from 50–230 nm using a single ...
Lin Kai, Caiyi Chen, Yu Lu, Yizhao Meng, Yi Liu, Yang Cheng, Qing Yang, Xun Hou, Feng Chen   +8 more
doaj   +3 more sources

A Review of an Investigation of the Ultrafast Laser Processing of Brittle and Hard Materials

Materials
Ultrafast laser technology has moved from ultrafast to ultra-strong due to the development of chirped pulse amplification technology. Ultrafast laser technology, such as femtosecond lasers and picosecond lasers, has quickly become a flexible tool for processing brittle and hard materials and complex micro-components, which are widely used in and ...
Xuewen Fu, , Jiecai Feng
exaly   +3 more sources

Enhancing the Machinability of Sapphire via Ion Implantation and Laser-Assisted Diamond Machining [PDF]

Micromachines
Sapphire crystals, owing to their outstanding mechanical and optical properties, which are widely used in advanced optics, microelectronic devices, and medical instruments. The manufacturing precision of sapphire optical components critically affects the
Jinyang Ke, Honglei Mo, Ke Ling, Jianning Chu, Xiao Chen, Jianfeng Xu   +5 more
doaj   +2 more sources

Mathematical Modeling and Experimental Study of Cutting Force for Cutting Hard and Brittle Materials in Fixed Abrasive Trepanning Drill

Micromachines, 2023
Hard and brittle materials have excellent physical and mechanical performance, which are widely applied in the fields of microelectronics and optoelectronics.
Ruijiang Yu, Shujuan Li, Zhengkang Zou, Lie Liang   +3 more
doaj   +1 more source

Effect of tool geometry on ultraprecision machining of soft-brittle materials: a comprehensive review

International Journal of Extreme Manufacturing, 2023
Brittle materials are widely used for producing important components in the industry of optics, optoelectronics, and semiconductors. Ultraprecision machining of brittle materials with high surface quality and surface integrity helps improve the ...
Weihai Huang, Jiwang Yan
doaj   +1 more source