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小蘭花銀蟲 (著名寫手)
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[求助]
能說明 微觀結(jié)構(gòu) 對 材料宏觀力學(xué)影響 的 示意圖【PPT用圖】,非常感謝!
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想找一個能 簡明扼要的說明 金屬材料的微觀結(jié)構(gòu) (實驗 或模擬得到的 微觀結(jié)構(gòu),如 再結(jié)晶后的晶粒細(xì)化 等)對材料力學(xué)性能影響 或 材料的實際運用 作用及意義 的 精美的圖片 做PPT時要用, 但一直沒做到合適的,自己歸納又水平不夠。 請高手幫忙!非常感謝! |
資源收集 | 喜歡的 | 收藏 |
銀蟲 (著名寫手)
鐵桿木蟲 (著名寫手)
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很難找你想要的圖片,不過下面這個似乎能說明點問題: Microtensile stress-strain curves for submicrometer nanocrystalline aluminum thin films showing two distinct behaviors.7 The curve with the highest strength, gradual deviation from plasticity, and limited ductility is representative of a specimen that maintains its nanocrystalline grain size. By contrast, specimens observed to undergo stress-assisted room-temperature grain growth exhibit lower yield strengths and regions of extended plasticity. Reference:The Micro- and Nanoscale Tensile Testing of Materials D.S. Gianola and C. Eberl JOM,Vol. 61, No.3 pp. 24-35 http://www.tms.org/pubs/journals/jom/0903/gianola-0903.html |
鐵桿木蟲 (著名寫手)
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這個是個老圖,不怎么漂亮,但是能說明問題 Increasing the annealing time decreases the recrystallization temperature for the start of recrystallization.During recrystallization stage, there is a significant drop in tensile strength, hardness and a large increase in the ductility of the material (See Figure 1). Figure 1. Effect of annealing on tensile strength, hardness, ductility and grain size. Reference:By: Serdar Z. Elgun,September 17, 1999 http://info.lu.farmingdale.edu/d ... nnealingstages.html |
鐵桿木蟲 (著名寫手)
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這個是Twip鋼和Trip鋼的組織和應(yīng)力應(yīng)變示意圖,挺漂亮 Figure 2: The stress-strain diagram clearly shows the differing characters of TRIP and TWIP steel. TRIP steel can resist high stresses without deforming. TWIP steel deforms with low stresses, but does not break until strain reaches around 90 percent. refrence: Multi Phase Twinning-Induced Plasticity (TWIP) Steel http://www.keytometals.com/page. ... site=kts&NM=207 |
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