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Welders Needs To Know The Advantages Of Welding A Joint by NOB222222222222: 8:19am On Aug 23, 2018 |
ADVANTAGES OF WELDED JOINT • Welded joints have high strength compare to their parent metals • Different materials can be welded • Welding can be performed anywhere, no need enough clearance • They give smooth appearance and simplicity in design • It can be done in any shape and direction • It can be automated • Provide complete rigid joint • Modification and addition of existing structure is easy • Continuous weld provide fluid for erection of large tightness • Weld usually have good aesthetic appearance • Mismatch of holes will never happen in welded joints • Alternation of joint can easily be made in case of welded connection • Welded joints are more economical as less labor and less material is required • The efficiency of welded joint more than the riveted DISAVANTAGES • WELDED JOINTS ARE MORE BRITTLE AND THEREFORE THE FATIGUE STRENGHT IS LESS THAN THE MEMBERS JOINED • DUE TU UNEVEN HEATING AND COOLING OF THE MEMBERS DURING THE WELDING, THE MEMBERS MAY DISTORT RESULTING IN ADDITIONAL SRESS • SKILLED LABOUR AND ELECTRICITY IS REQUIRED FOR WELDING • NO PROVISION FOR EXPANSION AND CONTRACTION IS KEPT IN WELDED CONNECTIONS AND THEREFORE, THERE IS POSSIBILITY TO RACK • THE INSPECTION WORK OF WELDING IS DIFFICUT AND COSTLIER THAN REVETING JOINT • DEFECTS LIKE INTERNAL AIR POCKET SLAG INCLUSION AND INCOPLETE PENETRATION AREDIFFICUT TO DETECT • WELDED JOINTS ARE MORE PRONE TO FAILURE DUE TO FATIGUE STRESSED • WELDED JOINTS ARE OVER RIGID check more educational materials at http://chemicalengineeringnob.com [url][/url]https://chemicalengineeringnob.com/2018/08/06/causes-of-academic-decadence/ about the academic state of some countries |
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