縮孔 的英文怎麼說

中文拼音 [suōkǒng]
縮孔 英文
[冶金學] contraction cavities; vug; draw; shrinkage cavity; [塗] cissing; blister; sinkhole; pockhole; pipe; abscess; shrinkage void; piping; shrink hole
  • 縮 : 縮構詞成分。
  1. Statistical analysis study on reliability and maintainability of caterpillar tractor

    東方紅802履帶拖拉機從動鼓輪轂縮孔問題攻關研究
  2. Solve the problem of internal shrinkage of magnesium iron foundry

    解決球鐵鑄造內部縮孔問題。
  3. Shrinkage / porosity is a common defect in castings and one of main causes making products waste

    縮孔縮松是鑄件常見的缺陷，是產生廢品的主要原因之一。
  4. Solidification process simulation and shrinkage cavity prediction of cylinder head casting

    氣缸蓋鑄件凝固過程數值模擬及縮松縮孔預測
  5. What inspection functions are performed for the detection of casting cracks, porosity, and shrinks

    如何檢驗鑄件的裂紋，縮孔，縮松？
  6. Non - piping steel

    無縮孔鋼
  7. Tests and production practice have proved that the surface shrinkages have been eliminated and cast quality significantly improved

    試驗與實際生產結果表明：鑄件的表面縮孔徹底消除，鑄件質量大大提高。
  8. The finished part shall have a nitride case depth that does not exihibit porosity that extends deeper than the outer half of the nitride case depth

    成品件外表面滲氮，只允許在滲氮層的靠外表面的滲層一半深度存在縮孔。
  9. Abstract : introduced is the experience in replacing atmosperic riser with thermal - isolation riser and improving pouring system to eliminate shrinkages

    文摘:介紹了用保溫冒口代替大氣壓力冒口，改進澆注系統解決鑄件縮孔問題的經驗。
  10. Hot runner benefit is delivered at pressure, model can be overcome on certain level the hollow that be not worth as a result of filling makings and forms, shrinkage cavity, be out of shape wait for blemish

    熱澆口利於壓力傳遞，在一定程度上能克服塑件由於補料不足而形成的凹陷、縮孔、變形等缺陷。
  11. The ultimate aim of the numerical simulation on temperature field in castings solidification process is for eliminating shrinkage / porosity or limiting them within the user ' s permission

    鑄件凝固過程溫度場數值模擬為最終消除縮孔縮松缺陷或將其限制在用戶允許的范圍內，以獲得質量合格的產品提供了非常有效的手段。
  12. It is because that the forging and heat treatment can greatly change the mechanical properties of steel, reduce the shrinkage cavity and dispersed shrinkage in metal structure, and keep the organizational structure tighter

    通過鍛造和熱處理，可大大改變鋼材的力學性能，減少金屬結構內的縮孔縮松現象，使其組織結構更緊密。
  13. The key to prediction of casting shrinkage / porosity lies in ascertaining the critical value of temperature gradient and niyama criterion. the thesis put forward two methods to ascertain the value, one is which is positive - direction and the other is negative - direction. we verify the realistic arithmetic of temperature gradient method and niyama criterion method by experiment, and we can draw a conclusion that the arithmetic is correct and reasonable in most cases and choice of developing tool is sound

    臨界梯度值和新山判據臨界值的確定是實現縮孔縮松預測的關鍵，本文提出了確定臨界值的正向法和反向法，並以高鉻鑄鐵件縮孔縮松預測和鑄造工藝改進為研究對象，應用正向法，確定了溫度梯度法的臨界值為180 m 。
  14. On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system

    本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上，提出了材料凝固固相率的線性分佈法和拋物線分佈法，並將前者應用於系統中；同時提出了溫度梯度法和新山判據法的實現演算法，此演算法具有一定的靈活性。
  15. Temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    對空心鋼錠凝固過程的溫度場進行了有限元分析，對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比，並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  16. Abstract : temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    文摘:對空心鋼錠凝固過程的溫度場進行了有限元分析，對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比，並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  17. Abstract : based on equivalent liquid surface descending method ( elsdm ) and isolated melting zone method, a multi - hot - spot and simultaneous shrinkage - feeding method was established to predict the shrinkage cavities of steel casting during solidification simulation. the shrinkage in each hot spot can be simulated and fed dynamically and simultaneously by itself using this method. then two practical steel castings were analyzed by this method

    文摘:本文在等效液面收縮法和孤立域法基礎上建立了預測鑄鋼件縮孔的新方法? ?多熱節和即縮即補方法，該法實現了對模擬鑄件各熱節的內部動態瞬時補縮，並採用該方法對兩個實際鑄鋼件進行了縮孔分析。
  18. Abstract : by mean of adjusting the position and shaps of risers, shrinkages and porositi es in balancing axle case are eliminated on the principle of direirional solidification, its density is a lso improved

    文摘:根據動態順序凝固的原則，對斯太爾平衡軸殼鑄鋼件設計合理的冒口位置和形狀；有效地消除了鑄件熱節部位的縮孔，提高鑄件的緻密度。
  19. The main task of the thesis is that prediction & analysis system of shrinkage / porosity defect in a casting, which is oriented to foundry engineering application, was preliminary developed based on ansys. the three - tier developing hierarchy structure was adopted in this system by operation visualization, parametric design, and function modularization

    本論文以有限元分析軟體ansys為二次開發平臺，採用三層開發體系層次結構，運用操作圖形化、設計參數化、功能模塊化技術，初步開發了面向鑄造工程應用的鑄件縮孔縮松缺陷預測及缺陷分析系統。
  20. Their effects on the chemical shrinkage, self - shrinkage, hole structure of cement stone and on the shrinkage of mortar and concrete were also studied thoroughly, and a concrete admixture with high performance of crack - resistant and water - repellent was prepared

    通過它們對水泥石的化學收縮和自收縮、孔結構以及對砂漿及混凝土的收縮性能的深入研究配製出了一種性能優良的混凝土抗裂防水外加劑。
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