ABSTRACT The solidification process and the mechanism of spray formed hypereutectic Al-Si alloys has been investigated in this dissertation.

半固態(tài)觸變成形是噴射沉積快速凝固材料走向?qū)嵱玫囊粋€重要的發(fā)展方向操av在线，本文研究噴射沉積高硅鋁合金的半固態(tài)觸變成形的基本規(guī)律，揭示噴射沉積高硅91p0rn九色丰满熟女。毛片基地在线观看视频。色爽交永久免费视频。

The key to simulating the procedure of rapid cooling correctly and efficiently is an appropriate interatomic potential, which should describe the interaction between atoms accurately as well as be easily used on large-scale computer simulation.

MD方法能否準確一级aa毛片免费高潮视频2020、有效地模擬金屬快速凝固過程的關鍵在于：原子間相互作用勢模型既能否足夠精確地描述金屬中原子間相互作用的關系，又要能夠有效地用于計算機模擬免费色哟哟网站。

The nonlinear relation of damping versus strain amplitude and frequency is investigated using the AR model and MARM method.

利用噴霧沉積快速凝固技術(shù)制備了ZA27合金試樣99tv无码国产精品，對鑄態(tài)及噴霧沉積態(tài)ZA27合金的阻尼性能進行了比較。

The characters of changes of noncrystalline have been analysed under the quick cooling conditions.

利用鍵對分析技術(shù)在线观看国产爆草网站视频，計算出了不同溫度下的鍵對類型數(shù)和二十面體的兩類鍵取向序參數(shù)呦呦色色网，分析了Al-Fe合金在快速凝固條件下非晶形成的演化特點。

A quick-setting, non-vibrated concrete not available in Le Corbusier's day has been used with great success, along with many more prefabricated elements that would have been previously poured in place.

項目采用了一種快速凝固日本同步大片、免震搗的混凝土（這是柯布當年還未出現(xiàn)的新技術(shù)）天天色天天爽，并獲得了巨大的成功，同時還采用了大量的預制構(gòu)件日韩最新无码免费动漫AV，可以直接在現(xiàn)場澆鑄www.色色.com。

The concept of secondary recalescence is outlined. It is pointed out that the inflection point occurred during recalesence stage only indecates the heat requirement for dendrite remelting, while the inflection point resulted from heat release during new phase formation can be regarded as a strict secondary recalescence.

提出在冷卻曲線的再輝階段出現(xiàn)的溫度變化拐點，只是表明枝晶熔斷過程對熱量的需求亚洲日韩色图10p，只有在快速凝固階段的冷卻曲線上出現(xiàn)的由于新相形成而釋放出潛熱導致的溫度變化拐點才算得上嚴格意義上的二次再輝91自拍偷拍第一页。

The results indicated that microstructures exhibited characters of rapid solidification after the remelt of the alloy coating.

結(jié)果表明，該合金粉末噴焊層的重熔過程具有快速凝固的特征性XX18。

This paper deals with the ribbon formation mechanism of the rapidly soli dified NiAl intermetallics.

本文用單輥快速凝固法研究了NiAl金屬間化合物薄帶形成機理黑人与黑人作爱A级毛片。

Computer simulation of rapid solidification has attracted much attention in recent years.

近年來，快速凝固過程的計算機模擬正越來越受到人們的關注人人搞,人人操人人。

The result shows that, in the condition of rapid solidification, the second phase f.c.c.

結(jié)果表明：在快速凝固下www18禁，Al-Pb合金中的第二相f.c.c。