Triz applied in the design of unidirectional solidification equipment 研究及其在定向凝固設(shè)備設(shè)計(jì)中的應(yīng)用
Numerical simulation on channel segregation in vertically unidirectional solidification process 垂直定向凝固條件下通道偏析形成過程的數(shù)值模擬
Effect of gas pressure on pore distribution of lotus - type porous magnesium fabricated by unidirectional solidification 氣壓對(duì)定向凝固藕狀多孔鎂的氣孔分布影響
Stability factors affecting the process of two - flow continuous unidirectional solidification in one furnace and countermeasures 影響一爐雙流連續(xù)定向凝固過程穩(wěn)定性因素與對(duì)策
The temperature distribution in a crystallizer has important influence on the position and shape of solid - liquid interface during continuous unidirectional solidification 摘要連續(xù)定向凝固過程中結(jié)晶器的溫度分布對(duì)固液界面位置和形狀具有重要影響。
The vacuum melting and argon protecting continuous unidirectional solidification technology was introduced , which combines vacuum inductive melting with continuous unidirectional solidification 摘要闡述了真空熔煉、氫氣保護(hù)下引法連續(xù)定向凝固工藝。
First , the basis thought of microstructure simulation has been brief introduced ; and then introduced the 3d dendrite envelop tracking simulation , this method is for simulating casting of unidirectional solidification which is sensitivity to vice 簡(jiǎn)介了微觀組織模擬的基本思路,引進(jìn)三維枝晶包膜跟蹤模擬理論,它是一種定向凝固的數(shù)值微觀組織模擬方法,主要用于模擬一些特殊的對(duì)缺陷的存在很敏感的零部件。
The results indicate that the niti shape memory alloy completely solidifies in the crystallizer and the solid - liquid interface presents flat under the given model and various parameters , which meet the basic requirement of continuous unidirectional solidification 研究結(jié)果表明,在所給定的模型及各種參數(shù)條件下,鎳鈦形狀記憶合金在結(jié)晶器內(nèi)可以完成凝固過程,且固液界面呈平直狀,具備了進(jìn)行連續(xù)定向凝固制備的基本條件。
Based on the established three - dimensional physical model , simplified terms , specified material parameters in thermal and physical properties , boundary conditions , and the calculation method of heat convection of cooling water , the numerical simulation and analysis on steady - state temperature field for continuous unidirectional solidification of niti shape memory alloy wire billets were proceeded under the condition of different combined parameters using ansys finite - element software 在建立三維物理模型以及確定材料熱物性參數(shù)、邊界條件與冷卻水對(duì)流換熱系數(shù)計(jì)算方法的基礎(chǔ)上,采用ansys有限元軟件對(duì)不同參數(shù)組合條件下鎳鈦形狀記憶合金線坯連續(xù)定向凝固的穩(wěn)態(tài)溫度場(chǎng)進(jìn)行了數(shù)值模擬。