Silver-bearing copper

Japanese: 銀入り銅 - ぎんいりどう
Silver-bearing copper

…This type uses phosphorus to remove oxygen during melting and casting, which reduces electrical conductivity, but it is not susceptible to hydrogen embrittlement and is used in a wide range of industrial applications, including as welded copper pipes for refrigerators, bath heaters, water heaters, etc. Also, there are products that contain very small amounts of added elements, such as silver-bearing copper. The addition of silver improves heat resistance without impairing electrical conductivity. …

*Some of the terminology that refers to "silver-bearing copper" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これは溶解鋳造時の酸素の除去にリンを使用するもので,このために導電性は悪くなってしまうが,水素脆性はなく,溶接銅管として冷凍機に使用されるほか,風呂釜,湯沸器などを含めて広く工業的に用いられる。また,ごく少量の添加元素を含むものには銀入り銅などがある。銀の添加は導電性を損なわずに耐熱性を向上させる。…

※「銀入り銅」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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