熔體通道 的英文怎麼說
中文拼音 [róngtǐtōngdào]
熔體通道
英文
melt canal-
The research showed that basin is the more important feeding resource than runner in runner type gating system in lost wax casting. therefore, on the basis of the basin as feeding resource, runner and ingate as feeding channel, a new design method for runner type pouring and feeding system in investment casting was developed. the corresponding feeding mathematical pattern and allowable total weight listed for casting cluster with different basin were established after analyzing the practical feeding of basin and the calculating process for design was described in detail
在熔模鑄造橫澆道型澆注系統中，澆口杯是比橫澆道更為重要的補縮源，因此在立足於澆口杯為補縮源、橫澆道和內澆道為澆注補縮通道的基礎上，開發了適用於熔模鑄造橫澆道型澆注補縮系統設計的新設計方法，在詳細分析了澆口杯的實際補縮情況后，建立了相應的數學補縮模式和不同澆口杯的鑄件組許用鑄件總質量表，並具體介紹了設計計算過程。Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process
在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。The tight plastic - lining technology is to adhere plastic powder inside steel pipe smoothly with method of metallurgical powder. comparing to common plastic - lining, tight plastic - lining with good intensity, has avoided the trouble of dropping and cracking. specially, the tight nylon - lining pipe can be used carrying particulate medium matter and solidpowder with excellent wearability
緊襯塑工藝採用粉末冶金法將塑料粉末均勻地附著在鋼管內表面，融熔流平、緊密地和鋼管本體結合在一起，與普通襯塑相比，塑料與鋼管的結合強度好，避免了普通襯塑管與鋼材基體結合力差容易脫落、開裂的毛病，特別是緊襯尼龍管道，具有優異的耐磨性，可輸送各類含固體顆粒介質、及粉體。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 phase composition, microstructure and the interface characteristic were all analyzed through xrd, sem, optical microscope, eds, etc. the results are listed as follows : the growth mechanism of al - 5zn - 10si alloy is that molten aluminum keep a continuous oxidation and growth in the way of cell - shape through the micro - channels which transfer the molten aluminum to the reaction front
採用xrd 、 sem和光學顯微鏡以及能譜分析法，研究分析了al _ 2o _ 3 sic ni al - si合金多相陶瓷基復合材料的相組成及其界面特徵。研究發現： al - 5zn - 10si合金原位氧化生長是合金熔體通過氧化體中的微觀通道傳輸到氧化生長體前沿繼續氧化，並以胞狀形式向前生長。In attempt to prepare and study the novel electrically conductive nanocomposites, with polyethylene ( pe ) served as the matrix, maleic anhydride grafted polyethylene ( gpe ) served as eg intercalates and expanded graphite ( eg ) served as a conductive filler, prepared gpe / eg, pe / gpe / eg electrically conductive composites via solution intercalation ( si ), direct melt mixing ( dmm ) and master batch melt mixing ( mmm ) methods. by means of testing conductivity and mechanical property, with the measures of tem, sem, om, xrd and dsc, studied the relationship between preparation method, material composition, and electrically conductive as well as mechanical property. the main outcomes never reported at home and abroad literature were obtained as follows : 1 the gpe / eg electrically conductive nanocomposites were prepared via si method
本論文以制備和研究新型高分子導電納米復合材料為目的，以聚乙烯（ pe ）為基體，馬來酸酐接枝聚乙烯（ gpe ）為插層劑，膨脹石墨（ eg ）為導電填料，採用溶液插層（ si ）法、直接熔體混合（ dmm ）法和兩者相結合的熔體母料混合（ mmm ）法制備了gpe eg 、 pe gpe eg導電復合材料，通過電導率和力學性能測試，運用tem 、 sem 、 om 、 xrd和dsc等手段，研究了制備方法、材料組成、形態結構和導電性能及力學性能之間的關系，得到以下未見國內外文獻報道的研究結果： 1採用si法成功制備了gpe eg導電納米復合材料，其導電逾滲閥值（ _ c ）為1 . 59vol ，遠低於dmm法制得gpe eg常規復合材料的_ c （ 3 . 13vol ） 。The dopants of zno, mgo, sio2 coated on the surface of al - 5zn - 10si alloy can shorten the incubation period of al - 5zn - 10si alloy directed oxidation process markedly, and keep the micro - channels homogeneous and unblocked, thereby redound to uniformly growing of the a12o3 / al composite, and increase the its relative density
在合金熔體表面所加的zno 、 mgo 、 sio _ 2引發劑可縮短al - 5zn - 10si合金氧化生長的孕育期，並有助於保持合金熔體與氧化生長體界面處微觀通道的均布與暢通，從而有助於氧化生長體的均衡生長，並提高氧化生長體的緻密性。分享友人