浸滲能力 的英文怎麼說
中文拼音 [jìnshènnénglì]
浸滲能力
英文
impregnability-
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。The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters
靈敏度演算法是分析參數變化對系統性能影響的一種有效工具，所以本文引入靈敏度演算法，結合壓制力和浸滲時間預測模型，深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系，以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響，對于參數的選取，具有一定的指導意義。Another hidden danger is the weakening of the impervious ability of the dam resulting from the closeness of the height of line seepage of the reservoir water level to the contact plane between the residual solum, talus solum and basement rocks
水庫水位浸潤線標高和殘坡積土與基巖接觸界面標高較接近，而使此高程的防滲能力更加薄弱，這也是此壩體的隱患之一。Oxidation erosion, liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail. the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced. the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
詳細論述了熔鋁灰鐵坩堝的氧化腐蝕、鋁液腐蝕及其腐蝕機制，介紹了能夠提高灰鐵坩堝抗高溫氧化能力的鑄態表面合金化法和能夠提高灰鐵坩堝抗鋁液腐蝕能力的調整成分法與浸滲保護法，這些方法通過減少腐蝕由坩堝表面向基體內部發展的各種「通道」 ，有效地改善了灰鐵坩堝抗腐蝕性能，提高了坩堝使用壽命。Abstract : oxidation erosion, liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail. the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced. the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
文摘:詳細論述了熔鋁灰鐵坩堝的氧化腐蝕、鋁液腐蝕及其腐蝕機制，介紹了能夠提高灰鐵坩堝抗高溫氧化能力的鑄態表面合金化法和能夠提高灰鐵坩堝抗鋁液腐蝕能力的調整成分法與浸滲保護法，這些方法通過減少腐蝕由坩堝表面向基體內部發展的各種「通道」 ，有效地改善了灰鐵坩堝抗腐蝕性能，提高了坩堝使用壽命。The mechanical test of the composites fabricated in different infiltration time and made of different aluminum alloys prove that in the selected technology conditions, the b4c / a1 composites have a better mechanical properties
對不同浸滲時間，不同鋁合金滲體的b _ 4c al復合材料進行力學性能測試及斷口分析，結果表明：在優選工藝條件下制備的b _ 4c al復合材料具有較好的力學性能。( 4 ) on the basis of analysed result and the status quo of huxi bank, computing the slope safety and seepage of bank by fem. the result shows that the tarus quo of huxi bank could not satisfy theslope safety on designed flood lever. after the reinforcement of seepage, the method can not only reduced leakage, debace the soggy but also ameliorate stress fields. lt also can reduce horizontal displacement and certical displacemeng which have disadvantages to bank
進行堤體防滲加固后，不但可以減少滲漏，降低堤身浸潤線，還可以有限度地提高抗滑穩定安全系數，改善堤身及地基的應力場，使在高水位作用下產生的不利於堤體安全的水平位移和豎向位移減小。對在後繼采動中可能造成的防滲材料的破壞進行了校核，結果表明材料是安全的。Abstract : the fesiibility of ultrasonic liquid infiltratio n method in the fabrication of cf / al composite wires is discussed. composite wires with good properties are obtained by adopting proper parameters including the preheated temperature of fiber, temperature of melting aluminum, infiltrati ng time and the ultrasonic energy
文摘:探討了超聲液相浸滲法在制備碳（石墨） /鋁復合絲過程中的適應性，通過選取適當的工藝參數，包括纖維去膠及預熱溫度、鋁液溫度、浸滲速度和引入的超聲能量等，可以得到復合質量較好、具有較高力學性能的復合絲。分享友人