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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Brightray ： ウィキペディア英語版 Brightray Brightray is a nickel-chromium alloy that is noted for its resistance to erosion by gas flow at high temperatures. It was used for hard-facing the exhaust valve heads and seats of petrol engines, particularly aircraft engines from the 1930s onwards. It was developed by Henry Wiggin and Co at Birmingham. As well as its use as a coating, it is also used in wire and strip form for electrical heating elements. The original Brightray alloy was composed of 80% nickel / 20% chromium. This alloy is still in use today as ''Brightray S''〔(【引用サイトリンク】url=http://www.specialmetalswiggin.co.uk/pdfs/products/BRIGHTRAY%20alloy%20S.pdf )〕 and can be used at temperatures up to 1050°C. Several other variants are now available. These include nickel-iron-chromium ''Brightray F''〔(【引用サイトリンク】url=http://www.specialmetalswiggin.co.uk/pdfs/products/BRIGHTRAY%20alloy%20F.pdf )〕 that offers better resistance to both reducing and oxidizing environments. ''Brightray C''〔(【引用サイトリンク】url=http://www.specialmetalswiggin.co.uk/pdfs/products/BRIGHTRAY%20alloy%20C.pdf )〕 is a nickel-chromium alloy with rare earth additions to extend its lifetime under fluctuating temperatures, particularly with heating elements that are being continually switched on and off. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Brightray」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.