hot pressing pressure 中文意思是什麼
hot pressing pressure
解釋
熱壓壓力-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。 -
In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。 -
The experimental results demonstrate that the suitable mea hot - pressing temperature and pressure are 120 and 15. 5mpa, respectively. the optimum catalyst loading in anode is 4 mg pt / cm2, and the best contents of nafion ionomer in anode and cathode layer are 45wt % and 35. 3wt %, respectively
實驗結果顯示，制備膜電極時最佳的熱壓溫度和壓力分別為120和15 . 5mpa ；陽極催化劑的適宜載量為4mgpt / cm2 ；陽極和陰極催化劑層的nafion最優含量分別為45 . 0wt %和35 . 3wt % 。 -
At the base of participating in the system design and debug of the dy - 500 hip - sinter low - pressure and vacuum sinter stove which is investigated by the zigong horniness - alloy ltd. this paper conclude the practice and work, according to the sense and the embed analysis, this paper including : aim at hip - sinter stove, analyse technics principle of the dewaxing, the vacuum sintering and the hot isostatic pressing by low pressure
在參與自貢硬質合金有限責任公司研製的dy - 500型低壓真空燒結爐自動控制系統設計和調試的基礎上，本論文對實踐工作進行了總結與提高。根據現場經驗和深入分析，論文的主要內容有:針對低壓真空燒結爐，分析脫蠟、真空燒結、低壓熱等靜壓工藝原理，並論述了溫度、真空度、壓力三個主要因素對生產過程的影響。 -
A compound multi - functional temperature / pressure sensor was designed through digital signal processing and sensor encapsulation technology, which can be applied to online testing and controling of the hot pressing machine in manufacturing wood - based panel
並通過數字信號處理、傳感器封裝等技術，製作了滿足人造板熱壓機生產過程中在線實時測控系統的復合多功能溫度壓力傳感器。
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