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hdtang1976

铁杆木虫 (小有名气)


[资源] 【资源】最新的发在Nature上的关于金属玻璃的一篇文献!

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whh1235068

木虫 (小有名气)


★★★ 三星级,支持鼓励

不错不错!
2楼2009-04-17 15:44:50
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★★★ 三星级,支持鼓励

谢谢提供
5楼2009-04-17 22:12:01
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hslining

木虫 (正式写手)


★ ★
amannnn(金币+2,VIP+0):谢谢提供 4-18 13:04
Nanomoulding with amorphous metals
Abstract
Nanoimprinting promises low-cost fabrication of micro- and nano-devices by embossing features from a hard mould onto thermoplastic materials, typically polymers with low glass transition temperature. The success and proliferation of such methods critically rely on the manufacturing of robust and durable master moulds. Silicon-based moulds are brittle and have limited longevity. Metal moulds are stronger than semiconductors, but patterning of metals on the nanometre scale is limited by their finite grain size. Amorphous metals (metallic glasses) exhibit superior mechanical properties and are intrinsically free from grain size limitations. Here we demonstrate direct nanopatterning of metallic glasses by hot embossing, generating feature sizes as small as 13 nm. After subsequently crystallizing the as-formed metallic glass mould, we show that another amorphous sample of the same alloy can be formed on the crystallized mould. In addition, metallic glass replicas can also be used as moulds for polymers or other metallic glasses with lower softening temperatures. Using this 'spawning' process, we can massively replicate patterned surfaces through direct moulding without using conventional lithography. We anticipate that our findings will catalyse the development of micro- and nanoscale metallic glass applications that capitalize on the outstanding mechanical properties, microstructural homogeneity and isotropy, and ease of thermoplastic forming exhibited by these materials.

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http://www.nature.com/nature/journal/v457/n7231/full/nature07718.html

[ Last edited by hslining on 2009-4-18 at 12:18 ]
7楼2009-04-18 12:13:16
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kongbei

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★★★★★ 五星级,优秀推荐

very good
13楼2009-04-18 22:47:02
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laidzh

铁杆木虫 (正式写手)


★★★ 三星级,支持鼓励

xiexie!!!!
17楼2009-04-19 07:42:18
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jack_ma

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谢谢诶
18楼2009-04-19 07:45:47
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zhangh123

铁杆木虫 (著名写手)


,thank you
19楼2009-04-19 08:49:02
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曲缘

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★★★★★ 五星级,优秀推荐

这个得看看
21楼2009-04-19 09:54:20
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bslt325

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ding!
23楼2009-04-19 12:21:04
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Co.H

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hao hao hao !
25楼2009-04-19 17:36:22
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