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heat-affected zone |
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heat-affected zone [′hēt ə¦fek·təd ′zōn] (metallurgy) The zone within a base metal that undergoes structural changes but does not melt during welding, cutting, or brazing. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Cracks were developing in the heat affected zone of the welds. While both the fusion zone and the heat affected zone are small, about one millimeter, the cooling rates are high so that very high residual stresses are generated. Ability to weld dissimilar plastics -- No particulate development -- Minimal heat affected zone -- Small, precise weld line -- No need for energy directors -- Gas tight welding -- No surface marring |
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