superplastic forming 中文意思是什麼
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Abstract : based on the rigid visco - plastic fem technique, this paper numerically simulate the superplastic bulging process of void - sensitive materials using pressure controlling strategy of maintaining maximum effective strain rate constant and void damage evolution model of superplastic forming
文摘:基於剛粘塑性有限元技術採用最大應變速率恆定的壓力控制策略和超塑性成形空洞損傷演變模型對空洞敏感材料的超塑性脹形過程進行了數值模擬。 -
Abstract : in this paper, rigid visco - plastic fem technique is applied to numerically analyze the factors affecting the forming time of superplastic bulging, and the regularities of forming time affected by different factors are given by examples of constant pressure and constant strain rate die - bulging of cylinder parts, all of which provides guideline for process planning in actual superplastic bulging
文摘:採用剛粘塑性有限元技術對超塑性脹形成形時間的影響因素進行了數值分析，以圓筒形零件的恆壓和恆應變速率充模脹形為例，給出了不同因素對超塑性成形時間的影響規律，為超塑性脹形實際工藝設計提供了依據。 -
Tem, sem, dsc, and x - ray method were used to study the microstructures and their transformation of the laser melted layer, and superplastic forming bonding process of - tial was investigated. the results are as follows
採用光學金相、 sem 、 tem 、熱分析和x射線等方法，對激光快凝組織及其轉變過程和機理，以及超塑連接過程進行了研究。 -
Al - mg - sc alloy has high strength, corrosion - resistance, very good welding property, especial superplasticity. in the auto and aerospace industry, there is increasing interest in fabricating complex part by superplastic forming process
Al - mg - sc合金有較高的強度和韌性，優良的耐蝕性和可焊性，有極好的超塑性，在汽車和航空工業有很好的應用前景。
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