casting stress 中文意思是什麼

casting stress 解釋
鑄件應力
  • casting : n. 1. 投,擲。2. 【冶金】鑄造;鑄件。3. 【動物;動物學】脫棄,脫落物〈如毛、皮等〉。4. 計算。5. 想法,手法。6. (木材等的)翹曲。7. 【戲劇】配角。
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints

    然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上,提出了利用半解析法和彈塑性大撓度有限元法兩種有效分析樹狀結構管節點應力的方法,並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹,確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法,並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。
  2. Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner - mold for sanding, framework supporting and steel binding, and concrete casting ; in open caisson sinking - control the sand in edge foot inner - mold, sand - pumping sinking, and pressure hydraulic monitor breaking and pressure - blowing sinking by air pressure blower etc

    摘要根據下沉受力原理,分析了沉井結構,介紹了沉井施工過程中的下沉、糾偏、測量控制以及特殊情況處理的技術措施,如沉井製作中的填沙內模,模板支設和鋼筋綁扎,混凝土澆注;沉井下沉控制中的刃腳內模沙土,抽沙泵抽沙下沉,高壓水槍破壓、空壓機吹壓下沉等。
  3. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  4. If the surface is covered or watered after casting of concrete, the influence resulted from change of environmental temperature and relative humidity on concrete will decrease to some extent. then the shrinkage stress will also decrease and the probability of cracking will be reduced as well

    混凝土澆注完后對表面進行覆蓋或澆水養護,可以很大程度上地減少外界溫濕度變化對混凝土內部的影響,減小了混凝土的收縮應力,從而降低混凝土開裂的可能性。
  5. Design improvement is in three stages partial, geometrical stress concentration improvement, pure casting technology improvement and a forge - weld box body design

    設計改進分三個階段,即局部幾何性應力集中改進、提高鑄造質量的純工藝改進和鍛焊組合結構抱軸箱體的設計。
  6. Device of casting etc. nickel cobalt alloy of copper electroplate technology in succession, it adopts the electroplating craft of the assembling type, the electroplating system of the low stress, according to the user s needs, can be constructed and plate different kinds of coppers

    兩國聯合企業millcraft sms services的連鑄機結晶器銅板鎳鈷合金電鍍技術,它採用組裝式的電鍍工藝,低應力的電鍍體系,根據用戶需求,可對不同類型銅板進行施鍍。
  7. In this paper, with the available computer method, theauthors have obtained the stress distribution acrosssections of reinforced concrete composite beams under two stages ofloading, and show that the stress redistribution under two stages ofloading results in a reduction of stress discrepancy in thetensile steel and of strain discrepency in the compressed concrete between thecomposite beam and the corresponding casting beam

    本文運用成熟的電算模擬方法,計算得到二階段受力鋼筋砼疊合梁在不同受力階段的截面應力分佈規律及鋼筋的應力變化規律,分析得到二階段受力時鋼筋砼疊合梁1的受拉鋼筋應力超前、受壓區砼應變遲后逐漸緩解的實質為截面應力重分佈的結果
  8. By contrasting curved bridge and straight bridge, influence of dead load and prestressing force on the stress in cantilever casting period of curved bridges is analyzed. in this paper, the controlling problem in construction phase is specially studied

    通過曲線箱梁橋與直線箱梁橋的對比,模擬計算並著重分析了施工階段自重、預應力等因素對曲線箱梁橋懸澆時應力的影響。
  9. This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form

    通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱塑性的影響,對試驗鋼進行脆性預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開塑性谷底溫度750 ,二冷區的冷速盡量避開臨界冷卻速率8 / s ,從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋,提高其成材率。
  10. 1. the splitting from the binding interface of cuw / crcu roots from the rich cr and the oxidation of the binding interface, which leads to the higher thermal resistance in binding interface than normal, and the thermal stress enhanced. the extruded cu is suggested to instead of casting cu

    ( 1 )斷裂是由於原材料鑄態的crcu中c :質點大於熔滲的孔隙而沉積在界面上,同時在有氧源存在的條件下,結合面氧化,致使結合面結合不好,界面熱阻升高, cuw與crcu部分的膨脹不同,應力集中,燃弧后斷裂。
  11. Test method for embedment stress caused by casting compounds on glass - encased electronic components

    玻璃封裝電子器件受澆鑄化合物所引起的灌封應力的試驗方法
  12. Abstract : an analysis on the damage of flame arrester of oil tank has been made from its structure as well as daily care. countermeasures against its disability have been presented, that is, casting the two semi - casing into one piece, leaving out the intermediat flanges, thickening the casing, and increasing the casting round - angle between the flanges and casing. in this way, the strength of casing can be enhance and local stress will be decreased. in addition, in order to enlongate the service life, the operating frequency of flame arrester should be properly reduced in daily care

    文摘:從設計結構及維護保養的角度分析了儲油罐阻火器損壞的原因,並提出了相應的改進措施,即在結構方面可以將阻火器外殼鑄為一體,省去中間法蘭,增加殼體厚度,加大法蘭與殼體之間的鑄造圓角,以增加強度減少局部應力:在維護保養方面,應適當減少操作次數,延長阻火器的使用壽命。
  13. As an object for the application, die casting machine is introduced. stress and displacement test is recorded. the result of the test proves the validity of the methods

    第六章對本文的工程應用背景一壓鑄機進行了試驗研究,進行了應力應一變試驗,驗證了并行結構優化設計方法的有效性。
  14. Computer simulation of flow field - temperature field - stress field coupling in continuous casting of beam blanks

    異型坯連鑄液固溫耦合計算機模擬
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