【kovar】什么意思_英语kovar的翻译_音标_读音_用法_例句_在线翻译

abstract: Kovar (trademark of Carpenter Technology Corporation) is a nickel–cobalt ferrous alloy compositionally identical to Fernico 1, designed to be compatible with the thermal expansion characteristics of borosilicate glass (~5 × 10−6 /K between 30 and 200 °C, to ~10 × 10−6 /K at 800 °C) in order to allow direct mechanical connections over a range of temperatures. It finds application in electroplated conductors entering glass envelopes of electronic parts such as vacuum tubes (valves), X-ray and microwave tubes and some lightbulbs.

以上来源于: WordNet

The kovar scrap is first dissolved with hydrochloric acid and chlorine.

可伐合金废料首先用盐酸通氯溶解，使钴、镍、铁进入溶液而金不溶。

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When the plating exist defect, the gold-plating nickel -plating both promote the stress - corrosion fracture of Kovar alloy.

在镀层存在缺陷时，镀金、镀镍层均促进柯伐合金的应力腐蚀开裂。

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The low-cobalt kovar alloy 4j461 with a little Zr is a new type metal-ceramic sealing alloy with good performance and low cost.

含锆低钴可伐4 J 461是一种性能良好而廉价的新型封接合金。

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更多双语例句

Jeffrey Kovar, assistant legal adviser for the U.S. State Department, who has been representing the U.S. in these ongoing negotiations, testified in a June House subcommittee hearing that the "widening gap" between global commerce and individual court systems could inhibit growth in trade.

CNN: Technology - Yahoo! opens legal can of worms with sale of Nazi-related items

应用推荐

$firstVoiceSent

- 来自原声例句

kovar
['kɔ:vɑ:]