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求一篇83年的Acta
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| 各位大侠,求文献: H.Kimura, T. Masumoto, Acta mater. 31 (1983) 231-240 |
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hslining
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A model of the mechanics of serrated flow in an amorphous alloy This article is not included in your organization's subscription. However, you may be able to access this article under your organization's agreement with Elsevier. H. Kimuraa and T. Masumotoa aThe Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan Received 2 July 1981; revised 27 August 1982. Available online 23 April 2003. Abstract A model is developed, of the mechanics of serrated flow in an amorphous alloy, with which it is possible to evaluate the serration amplitude (δσ) that would occur in a perfectly rigid machine, and to correct the applied extension rate ( ) at which serrated flow occurs in a conventional testing machine. The model mechanics is based on two criteria for yielding: two independent physical processes of serrated flow and plastic sliding and ageing-time (t)-dependent serrated flow. In agreement with the prediction from our model, the observed serration amplitude and the applied extension rate for compressive deformation of amorphous Pd78Cu6Si16 depend on the rigidity of the machine used. We also present an analysis of inhomogeneous plastic deformation and serrated flow behavior for amorphous Pd78Cu6Si16. At a commonly-used applied extension rate, the corrected serration amplitude attains 11% of the yield stress. The effective flow stress (σeff) at room temperature is rate-dependent; its rate sensitivity Full-size image (<1K), and is 59, A power law of serration amplitude is derived as Δσ = C1t0.46. 很经典的一篇文章，已经发至你的邮箱。 |
5楼2009-03-09 19:02:37
hslining
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ufoer(金币+0,VIP+0):晓得了：） 3-8 16:17
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请amannnn到文献求助版（http://muchong.com/bbs/forumdisplay.php?fid=158）发帖，那里可能会有更多的虫虫给你提供帮助。 请ufoer手下留情，非晶版刚撑起来，大家都不容易，谢谢！ |
2楼2009-03-08 15:11:53
3楼2009-03-08 16:12:08