A5100331656- Laser Applications in Dentistry and Medicine
- Microstructure and Mechanical Properties of Steels
- Laser Material Processing Techniques
- Additive Manufacturing Materials and Processes
- Welding Techniques and Residual Stresses
- Dermatologic Treatments and Research
- Hydrogen embrittlement and corrosion behaviors in metals
- Ocular and Laser Science Research
- High Entropy Alloys Studies
- Hydraulic and Pneumatic Systems
- High Temperature Alloys and Creep
- Malaria Research and Control
- Guidance and Control Systems
- Mosquito-borne diseases and control
- Advanced Measurement and Detection Methods
- Additive Manufacturing and 3D Printing Technologies
- Structural Engineering and Vibration Analysis
- Surface Treatment and Residual Stress
- Metal and Thin Film Mechanics
- Structural Health Monitoring Techniques
- Adaptive Control of Nonlinear Systems
- Railway Engineering and Dynamics
- Medical Research and Treatments
- Advanced Welding Techniques Analysis
- Titanium Alloys Microstructure and Properties
Nanjing University of Science and Technology
2017-2024
Changsha University of Science and Technology
2020-2024
National University of Defense Technology
2024
Tianjin University
2024
Southwest Jiaotong University
2022-2023
Central South University
2023
Second Xiangya Hospital of Central South University
2023
Hubei University of Automotive Technology
2022
Guangxi University
2021
Wuhan City College
2021
Abstract Recycled aggregate concrete (RAC) is an environmentally friendly material. However, owing to inherent characteristics of the recycled (RA), it difficult promote and apply in structural engineering. Silica fume (SF) nano-silica (NS) have different as additives for RAC. It has been proven that adding SF only enhances strength RAC at a later stage, NS can improve early its high pozzolanic activity. In this study, further properties RAC, two types were combined into which was named...
The 17-4 precipitation-hardened (PH) stainless steel was prepared by laser-powder bed fusion (L-PBF), and the effects of different aging temperatures on microstructures properties 17-4PH were systematically studied. results show that laser powder requires a solid solution treatment in order to obtain lath martensite structure, then niobium carbides ε-Cu phase nanoparticles precipitated improve strength steel. When heat parameter is 450°C/5h, mechanical better, ultimate tensile (UTS)...
The crack growth behavior and microstructural evolution of 316H austenitic stainless steel welded joints subjected to load-controlled creep-fatigue at 550 °C was investigated in this study. A comprehensive analysis the fracture mechanisms both base metal (BM) weld (WM) conducted employing advanced characterization. results revealed that cracks BM WM preferentially propagate along paths high energy low resistance, characterized by substructured deformed grains. In BM, twin boundaries...
The titanium alloy components utilized in the aviation field are typically large size and possess complex structures. By utilizing multiple additive manufacturing processes, precision efficiency requirements of production can be met. We investigated hybrid Ti-6Al-4V using a combination cold metal transfer (CMTAM) laser deposition (LMD), as well feasibility CMT-LMD process for fabricating components. Microstructural examinations, tensile testing coupled with digital image correlation dynamic...
In this paper a novel laser impact spot welding (LISW) method is described, in which hump was formed on the flyer plate intended location by local pre-forming. When and base plates were placed together to perform welding, two kept contact over their entire surfaces except at hump, where air gap enough guarantee velocity collision angle achieve using pulse energy. The presented approach implemented join thin titanium foils copper under low energy system. Joints with regular shapes obtained....
Abstract In this work, porous Ti‐15Mo scaffolds with different porosity gradient structures (uniform [U‐BCC], level [LG‐BCC], and vertical [VG‐BCC]) were fabricated by selective laser melting, the corrosion fatigue testing in Hank's solution was conducted for first time. The strength order, when considering same life, follows sequence of LG‐BCC structure > U‐BCC VG‐BCC structure. Cyclic ratcheting is a prominent factor leading to failure. crack initiation propagation latter stage can be...
Compound process technology has been investigated for many years on a macro scale, but only few studies can be found micro scale due to the difficulties in tool manufacturing, parts transporting and punch-die alignment. In this paper, novel of combining laser shock wave soft punch was introduced fabricate dish-shaped micro-parts copper solve these difficulties. This compound includes deep drawing, punching blanking processes completed almost at same time because duration is quite short, so...
Steel–concrete composite box girder (SCC BG) is widely used in engineering because it can make full use of the tensile properties steel and compressive concrete. However, research on vibrational transmission vibroacoustic response SCC BG still relatively rare. In this study, a laboratory hammering test was performed to obtain dynamic characteristics scaled specimen an before after installing concrete deck. The experimental results revealed that greatly reduced installation deck due reduction...