CRACK

作品数：991被引量：1789H指数：15
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相关作者：周丽君王媛范天佑潘登丁洪志更多>>
相关机构：北京理工大学河海大学南京航空航天大学哈尔滨工业大学更多>>
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Microstructure,Properties and Crack Suppression Mechanism of High-speed Steel Fabricated by Selective Laser Melting at Different Process Parameters
《Chinese Journal of Mechanical Engineering》2023年第2期91-105,共15页Wenbin Ji Chuncheng Liu Shijie Dai Riqing Deng 
Supported by National Natural Science Foundation of China (Grant No.52005154);Hebei Provincial Natural Science Foundation (Grant No.E2020202035)。
To enrich material types applied to additive manufacturing and enlarge application scope of additive manufacturing in conformal cooling tools,M2 high-speed steel specimens were fabricated by selective laser melting(SL...
关键词：Selective laser melting High-speed steel Mechanical properties MICROSTRUCTURE Interlaminar cracks 
Cooling and Crack Suppression of Bone Material Drilling Based on Microtextured Bit Modeled on Dung Beetle被引量：1
《Chinese Journal of Mechanical Engineering》2023年第2期116-128,共13页Yunsong Lian Xiande Chen Chaoping Xie Yangyang Long Fengtian Lin Wei Zhou Xuyang Chu 
Supported by National Natural Science Foundation of China (Grant No.51975496);National Key Research and Development Program (Grant No.2019YFB1704800);Hunan Provincial Innovative Province Construction Special Project of China (Grant No.2020GK2083);Fundamental Research Funds for the Central Universities of China (Grant No.20720200068);Jiangsu Key Laboratory of Precision and Micro-Manufacturing Technology。
In recent years,the number of patients with orthopedic diseases such as cervical spondylosis has increased,resulting in an increase in the demand for orthopedic surgery.However,thermal necrosis and bone cracks caused ...
关键词：Bionic drill Bone material cutting Laser processing Thermal imaging camera Acoustic emission 
Crack Fault Diagnosis and Location Method for a Dual-Disk Hollow Shaft Rotor System Based on the Radial Basis Function Network and Pattern Recognition Neural Network被引量：2
《Chinese Journal of Mechanical Engineering》2023年第2期180-197,共18页Yuhong Jin Lei Hou Zhenyong Lu Yushu Chen 
Supported by National Natural Science Foundation of China (Grant No.11972129);National Science and Technology Major Project of China (Grant No.2017-IV-0008-0045);Heilongjiang Provincial Natural Science Foundation (Grant No.YQ2022A008);the Fundamental Research Funds for the Central Universities。
The crack fault is one of the most common faults in the rotor system,and researchers have paid close attention to its fault diagnosis.However,most studies focus on discussing the dynamic response characteristics cause...
关键词：Hollow shaft rotor Breathing crack Radial basis function network Pattern recognition neural network Machine learning 
Cutting Behavior of Cortical Bone in Different Bone Osteon Cutting Angles and Depths of Cut
《Chinese Journal of Mechanical Engineering》2022年第3期80-91,共12页Yuanqiang Luo Yinghui Ren Yang Shu Cong Mao Zhixiong Zhou Z.M.Bi 
China Scholarship Council,the National Natural Science Foundation of China(Grant No.52075161);Hunan Provincial Natural Science Foundation of China(Grant No.2022JJ40486);Changsha Municipal Natural Science Foundation of China(Grant No.2022cskj017).
Cortical bone is semi-brittle and anisotropic,that brings a challenge to suppress vibration and avoid undesired fracture in precise cutting process in surgeries.In this paper,a novel analytical model is proposed to re...
关键词：Bone cutting surgery Orthogonal cutting models Anisotropic materials Chip formation Crack initialization and propagation Fracture toughness 
Study of Cracking Mechanism and Wear Resistance in Laser Cladding Coating of Ni-based Alloy被引量：4
《Chinese Journal of Mechanical Engineering》2021年第5期259-272,共14页Zhenglei Yu Lunxiang Li Deqiang Zhang Guangfeng Shi Guang Yang Zezhou Xu Zhihui Zhang 
Supported by National Key R&D Program of China(Grant No.2018YFB1105100);National Natural Science Foundation of China(Grant No.51975246);Jilin Provincial Science and Technology Development Plan of China(Grant Nos.20190302123GX,YDZJ202101ZYTS134);the State Key Laboratory of Automotive Simulation and Control-ziyoutansuoxiangmu(202013);Interdisciplinary Research Funding Program for Doctoral Candidates of Jilin University(101832020DJX052);Science and Technology Project of Jilin Education Department(Grant No.JJKH20200958KJ);Program for JLU Science and Technology Innovative Research Team(Grant No.2019TD-34);the Advanced Manufacturing Project of Provincial School Construction of Jilin Province of China(Grant No.SXGJSF2017-2).
Nickel-based alloy coatings were widely used for the remanufacturing of dies and moulds by laser cladding,but the crack sensitivity would be increase due to the higher strength and hardness,which reduced the wear resi...
关键词：Laser cladding Wear resistance Crack sensitivity Stainless steel net Rare earth oxide 
Image-Based Feature Extraction Technique for Inclined Crack Quanti cation Using Pulsed Eddy Current
《Chinese Journal of Mechanical Engineering》2019年第2期113-121,共9页Faris Nafah Ali Sophian Md Raisuddin Khan Syamsul Bahrin Abdul Hamid Ilham Mukriz Zainal Abidin 
Supported by Malaysia’s Ministry of Higher Education(Grant No.FRGS16-059-0558)
Existing eddy current non-destructive testing(NDT) techniques generally do not consider the inclination angle of inclined cracks, which potentially harms a larger region of a tested structure. This work proposes the u...
关键词：PULSED EDDY current 2D SCAN imaging Feature extraction Image processing Inclined cracks 
Ultrasound Imaging of Pipeline Crack Based on Composite Transducer Array被引量：8
《Chinese Journal of Mechanical Engineering》2018年第5期25-34,共10页Shou-Peng Song Ying-Jie Ni 
Supported by National Natural Science Foundation of China(Grant No.51375217)
Cracks, especially small cracks are di cult to be detected in oil and gas transportation pipelines buried underground or covered with layers of material by using the traditional ultrasonic inspection techniques. There...
关键词：Composite transducer array Ultrasound imaging CRACK NDT&E 
Crack Fault Classification for Planetary Gearbox Based on Feature Selection Technique and K-means Clustering Method被引量：15
《Chinese Journal of Mechanical Engineering》2018年第1期242-252,共11页Li-Ming Wang Yi-Min Shao 
Supported by National Natural Science Foundation of China(Grant No.51475053)
During the condition monitoring of a planetary gearbox, features are extracted from raw data for a fault diagnosis.However, different features have different sensitivity for identifying different fault types, and thus...
关键词：Planetary gearbox Gear crack Feature selection technique K-means classification 
Impact Fretting Wear Behavior of Alloy 690 Tubes in Dry and Deionized Water Conditions被引量：5
《Chinese Journal of Mechanical Engineering》2017年第4期819-828,共10页Zhen-Bing Cai Jin-Fang Peng Hao Qian Li-Chen Tang Min-Hao Zhu 
Supported by National Natural Science Foundation of China(Grant Nos.51375407,U1530136,51627806);Shanghai Municipal Science and Technology Talent Program of China(Grant No.14R21421500);Young Scientific Innovation Team of Science and Technology of Sichuan(Grant No.2017TD0017)
The impact fretting wear has largely occurred at nuclear power device induced by the flow-induced vibra- tion, and it will take potential hazards to the service of the equipment. However, the present study focuses on ...
关键词：Impact fretting wear Alloy 690 Oxidativewear CRACK Fracture appearance 
Analytical Solutions of Cracks Emanating from an Elliptic Hole in an Infinite Plate under Tension被引量：8
《Chinese Journal of Mechanical Engineering》2014年第5期1057-1063,共7页LIU Shuhong DUAN Shijie 
Supported by Hebei Provincial Natural Science Foundation of China(Grant No.A2011210033);Foundation of Hebei Education Department of China(Grant No.ZH2011116)
It is a common phenomenon that the cracks originating from a hole can cause structural damage in engineering.However,the fracture mechanics studies of hole edge crack problems are not sufficient.The problem of an elli...
关键词：HOLE CRACK stress distribution stress intensity factor 
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