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  2. Weldability - Wikipedia

    en.wikipedia.org/wiki/Weldability

    Many metals and thermoplastics can be welded, but some are easier to weld than others (see Rheological weldability). A material's weldability is used to determine the welding process and to compare the final weld quality to other materials. Weldability is often hard to define quantitatively, so most standards define it qualitatively.

  3. Welding defect - Wikipedia

    en.wikipedia.org/wiki/Welding_defect

    The amount of hydrogen (H2) dissolved in weld metal: Dissolved hydrogen in the weld metal is related to hydrogen embrittlement. Hydrogen content can be reduced by using hydrogen-free consumables. In the case of welding filler (especially in shielded metal arc welding (SMAW)) exposed to the atmosphere, proper electrode baking is recommended to ...

  4. Structural integrity and failure - Wikipedia

    en.wikipedia.org/wiki/Structural_integrity_and...

    Collapsed barn at Hörsne, Gotland, Sweden Building collapse due to snow weight. Structural integrity and failure is an aspect of engineering that deals with the ability of a structure to support a designed structural load (weight, force, etc.) without breaking and includes the study of past structural failures in order to prevent failures in future designs.

  5. 6061 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6061_aluminium_alloy

    6061 is highly weldable, for example using tungsten inert gas welding (TIG) or metal inert gas welding (MIG). Typically, after welding, the properties near the weld are those of 6061-T4, a loss of strength of around 40%. The material can be re-heat-treated to restore near -T6 temper for the whole piece.

  6. Flash welding - Wikipedia

    en.wikipedia.org/wiki/Flash_welding

    Flash welding is also used in the metal building industry to increase the length of the angle iron used to fabricate joists. [1] The aluminum industry uses flash welding to join aluminum, steel, and copper in various current-carrying conductors called busbars. The steel is used for strength, the copper is used for conductivity, and the aluminum ...

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  8. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    The efficiency is dependent on the welding process used, with shielded metal arc welding having a value of 0.75, gas metal arc welding and submerged arc welding, 0.9, and gas tungsten arc welding, 0.8. [57] Methods of alleviating the stresses and brittleness created in the HAZ include stress relieving and tempering. [58]

  9. Vitamin D may not prevent fractures or falls in older adults ...

    www.aol.com/vitamin-d-may-not-prevent-102300100.html

    Vitamin D supplements, with or without calcium, are important for overall health. However, vitamin D supplements have no effect on preventing falls or fractures in older adults, according to the U ...

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