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Perhaps there should be some information on this. --petebachant 19:31, 17 July 2013 (UTC) []It basically isn't weldable, though a bit of work with friction-stir welding of 7075-0 is showing that there may be some promise along those lines.
The first 7075 was developed in secret by a Japanese company, Sumitomo Metal, in 1935, [3] but reverse engineered by Alcoa in 1943, after examining a captured Japanese aircraft. [4] 7075 was standardized for aerospace use in 1945. [5] 7075 was eventually used for airframe production in the Imperial Japanese Navy.
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.
weld - the place of connection where the materials are mixed. [97] weldability - a measure of the ease of making a weld without errors. [97] interlayer - an indirect component, indirect material. To quote ISO (the International Organization for Standardization, unfortunately the all ISO text is not free and open shared) - ISO 15620:2019(en) Welding
7075 may refer to: 7075 Sadovnichij, a main-belt asteroid discovered in 1979; 7075 aluminium alloy This page was last edited on 3 September 2020, at 19:09 (UTC) ...
Cross-section of cold welding – before and after the weld. Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion or heating at the interface of the two parts to be welded. Unlike in fusion welding, no liquid or molten phase is present in the joint.
Lead works in a similar way to sulfur. Bismuth achieves a free machining steel by melting into a thin film of liquid for a fraction of a microsecond to lubricate the cut. Other advantages to bismuth include: more uniformly distributed because of its similar density to iron; more environmentally friendly, as compared to lead; still weldable. [1]
An exothermic weld has higher mechanical strength than other forms of weld, and excellent corrosion resistance [7] It is also highly stable when subject to repeated short-circuit pulses, and does not suffer from increased electrical resistance over the lifetime of the installation. However, the process is costly relative to other welding ...
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