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brookeanne723
13.07.2019 •
Engineering
Define the various properties and constraints that ensure weldability/joinability.
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Ответ:
Listed Below
Explanation:
Weldability which is also known as joinability is defined as the ease with which a material can be welded without producing any other effect .
Some factors which affect weldability are
1.Melting point of metal
Higher the melting point lower will be the weldability.2.Thermal conductivity
Materials with higher thermal conductivity are difficult to join.3.Reactivity
If the material reacts with surroundings like water or air, it is difficult to weld.4.Coefficient of thermal expansion(α)
Higher the thermal expansion lower will be the weldability.5.Surface condition
The material with dirty surface is difficult to weld for example if a surface has oxide layer on it it become difficult to weld it.Ответ:
Both man and trees are two most essential parts of the big whole called life. God created trees as man’s life support system. Without trees man’s life would be dreary wasteland devoid of the promise and hope of life. Omniscient God knew man’s many survival needs, hence He created a living god called tree to help man live healthily, joyously, and rapturously. Trees are the source of life. They are the giving angels. They give man oxygen, rains, wood, fruit
Explanation: