| 2 | 1/1 | 返回列表 |
| 查看: 497 | 回復(fù): 1 | |||
| 本帖產(chǎn)生 1 個 翻譯EPI ,點擊這里進行查看 | |||
hour219木蟲 (正式寫手)
|
[求助]
漢譯英~謝謝
|
||
|
在高溫氧化和腐蝕性環(huán)境中, 至今沒有任何普通金屬能像貴金屬一樣經(jīng)受得住高溫和復(fù)雜環(huán)境的考驗。其中貴金屬Ir 、Rh、Ru 具有比Pt、Pd, 更高的抗拉強度和高溫斷裂強度(特別是Ir在2200 ℃ 的持久強度和蠕變斷裂強度遠(yuǎn)高于Pt-Rh合金)。但是相對低的常溫塑性、較差的抗高溫氧化性、高密度、高氧化揮發(fā)速率、有限的資源和昂貴的價格等多種因素制約了貴金屬Ir、Rh、Ru 及其合金的發(fā)展和應(yīng)用。 鉑基高溫結(jié)構(gòu)材料具有以下特性:(1) 具有高的熔點;(2)在900℃ 以上大氣氣氛中具有好的抗氧化性和熱穩(wěn)定性;(3) 具有好的抗腐蝕性, 能經(jīng)受像硝酸、氫氰酸、氫氟酸以及直至1600 ℃ 熔融玻璃和其它硅酸鹽熔體的嚴(yán)重腐蝕;(4) 具有高的高溫強度性質(zhì)且力學(xué)性能穩(wěn)定;(5)具有好的延性和可加工性能, 可制作成所要求的結(jié)構(gòu)部件和產(chǎn)品;(6) 具有良好的可焊接性能, 可通過焊接制備成所要求的構(gòu)件。除了上述特點, 相對多的資源及相對適合的價格, 使得鉑金屬材料在現(xiàn)代工業(yè)、國防科技和高新技術(shù)領(lǐng)域中具有特別重要的意義。 |

版主 (文壇精英)
米米
|
In the high temperature oxidation and corrosion environment, no other normal metals can stand high temperature and complex environment like noble metal. Amongst the noble metals, Ir, Rh, and Ru have stronger tensile strength and high-temp break strength than Pt and Pd (especially in 2200C Ir has stronger rupture strength and creep break strength than Pt-Rh alloy). However, the development and application of noble metal Ir, Rh, Ru and their alloy are restricted by relatively low normal-temp plastic, worse high-temp oxidation resistance, high density, high oxidation evaporation velocity, limited resources, and high cost. Platinum-based high-temp structure material has the following properties: (1) high melting temperature, (2) good oxidation resistance and thermal stability in 900C or higher atmosphere, (3) good corrosion resistance so it can stand serious corrosion of nitric acid, hydrogen cyanide, hydrofluoric acid, up to 1600C melting glass, and other silicate melts, (4) good high-temp strength property and stable mechanical property, (5) good ductility and machinability property to be produced to required structure parts and products, (6) good weldable property to be welded to required parts. Besides the features above, relatively abundant resources and reasonable price make platinum material important in contemporary industry, defense technology, and advanced techniques. |
| 2 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 本科211總分289,08工學(xué)真心求調(diào)劑 +3 | utopiaE 2026-03-30 | 3/150 |
|
|---|---|---|---|---|
|
[有機交流]
10+3
|
kaobao456 2026-03-29 | 4/200 |
|
|
[考研] 求調(diào)劑,一志愿 南京航空航天大學(xué) ,080500材料科學(xué)與工程學(xué)碩,總分289分 +9 | @taotao 2026-03-29 | 9/450 |
|
|
[考研] 11408總分309,一志愿東南大學(xué)求調(diào)劑,不挑專業(yè) +5 | 天賦帶到THU 2026-03-29 | 6/300 |
|
|
[考研] 367求調(diào)劑 +5 | 芋泥啵! 2026-03-28 | 5/250 |
|
|
[考研] 一志愿廈門大學(xué)材料工程專碩354找調(diào)劑。! +5 | 貝唄鋇鋇 2026-03-30 | 5/250 |
|
|
[考研] 291求調(diào)劑 +8 | HanBeiNingZC 2026-03-24 | 8/400 |
|
|
[考研] 0703 化學(xué) 求調(diào)劑,一志愿山東大學(xué) 342 分 +7 | Shern—- 2026-03-28 | 7/350 |
|
|
[考研] 071010 323 分求調(diào)劑 +3 | Baekzhy 2026-03-27 | 3/150 |
|
|
[考研]
|
nnnnnnn5 2026-03-25 | 11/550 |
|
|
[考研] 一志愿南昌大學(xué)324求調(diào)劑 +5 | hanamiko 2026-03-29 | 5/250 |
|
|
[考研] 356求調(diào)劑 +4 | gysy?s?a 2026-03-28 | 4/200 |
|
|
[考研] 298求調(diào)劑 +4 | 種圣賜 2026-03-28 | 4/200 |
|
|
[考研] 0856,材料與化工321分求調(diào)劑 +12 | 大饞小子 2026-03-27 | 13/650 |
|
|
[考研] 352分 化工與材料 +5 | 海納百川Ly 2026-03-27 | 5/250 |
|
|
[考研] 275求調(diào)劑 +10 | jjjjjjjjjjl 2026-03-27 | 10/500 |
|
|
[論文投稿] Journal of Mechanical Science and Technology +3 | Russ_ss 2026-03-25 | 5/250 |
|
|
[考研] 調(diào)劑求收留 +7 | 果然有我 2026-03-26 | 7/350 |
|
|
[考研]
材料調(diào)劑
5+4
|
想要一壺桃花水 2026-03-25 | 10/500 |
|
|
[考研]
|
平樂樂樂 2026-03-26 | 4/200 |
|