Gray iron--an alloy of ironcarbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
灰口铁--一种铁碳和硅的合金;易于铸造;在铸态下具有很好的压力紧固性。
2
When iron became highly oxidized, so did diamonds; that is, they vaporized into carbon dioxide.
当铁被高度氧化时,钻石也被高度氧化;也就是说,它们蒸发成二氧化碳。
3
The research describes the formation of Widmanstatten structure and martensite in iron-carbon alloys possessing a broad range of carbon contents and heat treated using a broad range of cooling rates.