parent metal


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parent metal

[′per·ənt ‚med·əl]
(chemistry)
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[30] reported the formation of a variable and discontinuous intermetallic layer of Ti[Al.sub.3] between the Al-Mg fillers and the titanium parent metal. In addition, it was reported that a thicker intermetallic layer was formed on Grade 5 titanium comparing with Grade 2 titanium.
Howden was keen to take advantage of the various benefits of HCP, including the fact that deposits can be removed from many substrates without damaging the parent metal, allowing components to be stripped and replated.
The friction stir processed specimen used for metallographic examinations were sectioned to the required sizes from the processed region consisting stir zone (SZ), thermo mechanically affected zone (TMAZ), heat affected zone (HAZ) and parent metal. Then it has polished using various grades of emery sheets.
After this heat-treatment process, the resulting hardness measured in the weld zone is very encouraging; the values comparable to the parent metal can be easily obtained.
Depending on the composition of the parent metal and the filler material used in the weld, the metal in the HAZ may be stronger or weaker than the parent metal.
Because the mold plates are bonded using a special-built vacuum hot press that applies the tonnage needed to bring the parent metal atoms together during the joining operation, the ultra-thin (0.001-inch-thick) metal sheet used in the LID bonding process actually becomes one with the parent metal."
Wettability is given by the wetting angle [alpha], which is included by the tangent to brazing alloy surface and parent metal surface.
where [M.sub.1] is the atomic mass of the parent metal of the solvent; [M.sub.j] is the atomic mass of the added element.
Derby, United Kingdom, June 17, 2010 --(PR.com)-- Pushcorp's latest portable automated Tracked Weld Shaving System rapidly removes weld beads above a panel surface, without cutting into the parent metal. The TWS91 offers vastly reduced production times by promising removal rates over 20 times faster than manual grinding.