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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Xizhang Shen, Zheng Wang, Jingjun Chen, Jin Lei, Yucheng Huang, Qunying |
| Copyright Year | 2011 |
| Abstract | The objectives of the present study are to research the effects and mechanism of an ultrasonically excited tungsten inert gas (TIG) arc on the comprehensive mechanical properties of China Low Activation Martensitic (CLAM) weld joints. In the arc-ultrasonic process, an ultrasonic power source is coupled to the TIG power source to modulate the welding arc. The influence of various arc-ultrasonic parameters is determined through comparisons of the resulting weld microstructures, impact energy, hardness and tensile properties. The results show that the arc-ultrasonic technique effectively refines the microstructure, provides even distribution of carbides, and improves mechanical performance of the weld metal and HAZ. With increasing ultrasonic power, the impact toughness of the weld metal first increases by up to 80% and then begins to decrease while the hardness and tensile strength of the weld metal exhibit a slight decrease. The optimum matching of arc-ultrasonic excitation parameters and welding parameters improve the comprehensive mechanical properties of CLAM weld metal. Furthermore, PWHT is beneficial to weld metal mechanical properties for both standard and arc-ultrasonic TIG welding. |
| Starting Page | 537 |
| Ending Page | 544 |
| Page Count | 8 |
| File Format | |
| ISSN | 02683768 |
| Journal | The International Journal of Advanced Manufacturing Technology |
| Volume Number | 60 |
| Issue Number | 5-8 |
| e-ISSN | 14333015 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2011-09-08 |
| Publisher Place | London |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | CLAM steel TIG Ultrasonic Microstructure Mechanical properties Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics/Supply Chain Industrial and Production Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software |
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