過共晶的 的英文怎麼說
中文拼音 [guògòngjīngde]
過共晶的
英文
hypereutectic-
Effects of b on the eutectic solidification of hypereutectic al - si alloy
合金共晶凝固過程的影響The rapid solidification process of pb - sn eutectic alloy is investigated with acoustic levitation and the maximum undercooling of 38k has been achieved
採用聲懸浮無容器處理技術研究了pb - sn共晶合金在深過冷條件下的凝固規律。The containerless rapid solidification of al - 32. 7wt % cu eutectic alloy in drop tube is investigated. the " lamellar eutectic - anomalous eutectic " microstructural morphology transition occurs with the decrease of droplet size
採用落管無容器處理技術研究了al - 32 . 7wt cu二元共晶合金在深過冷條件下的快速凝固規律。4. under the directional solidification, either sub - or hyper - eutectic alloys, with the increase of growth rate, the lst dendritic arm spacing decreases and 2st dendritic arm spacing is restrained to some extent
4定向凝固條件下，隨著凝固速率的增加，無論亞共晶合金或過共晶合金，一次枝晶間距減小，二次枝晶生長得到不同程度的抑制。It is indicated that the improved model can calculate the fraction of ferrite and pearlite more accurately, and can specially reflect the effect of both undercooling during the eutectoid transformation and the amount of graphite nodules formed during the process of eutectic reaction on the fraction of pearlite
結果表明，改進的模型可以更準確地預測球鐵中鐵素體和珠光體的數量，能夠準確地體現共析階段過冷情況和共晶球墨數對珠光體數量的影響。A green and permanent modificant for hypereutectic al - si alloys
一種過共晶鋁硅合金的綠色長效變質劑Effects of manganese content in hypereutectic al - si alloy on properties of alloy
過共晶鋁硅合金中錳含量對合金性能的影響Effects of elevated content of mn and fein hypereutectic al - si alloy on tensile strength of an alloy
高錳鐵含量過共晶鋁硅合金的力學性能Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子層厚度（ monolayer ，簡稱ml ）的fe單晶超薄膜進行了鐵磁共振（ fmr ）和磁光研究，建立了理論模型對鐵磁共振實驗結果進行了模擬，重現了不同厚度的超薄膜，從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化，特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。Through the research on the crystallite of the composites modified with silicone coupling agent and pp - g - mah, research showed that the size of the crystallite and oriented crystallization had obviously influence on the mechanical performances. the sem results showed that nano - sio2 was dispersed well in pp, which promoted the matrix undergo shear yielding rather than brittle fracture
通過對硅烷偶聯劑?馬來酸酐接枝聚丙烯共聚物作為界面改性劑改性pp微晶的研究，表明微晶尺寸變化與復合材料的力學性能有關；在界面附近形成擇優取向的結晶層，促使基體發生屈服變形，提高了復合材料的韌性。But it is mainly dependant on the physical parameters such as volume shrinkage. and when phbv crystallized, the hv content will be segregated, it will be accelerated when crystallization temperature is increased
在結晶過程中， phbv二元共晶中hv （羥基戊酸）組分會受到排斥，結晶溫度的升高會導致hv組分分凝現象的加劇。The growth morphology of cu - cr eutectic are studied. during the process of eutectic growth, ( + ) growth is clinging to a phase. because cu - cr eutectic have very good coupling relation, the configuration of eutectic holds crystallography structure, and the influence of the direction of heat flow is not distinct
2揭示了cu - cr共晶的生長形態，發現其在共晶生長過程中，共晶體（ + ）依附在相上生長； cu - cr因有較好的共格關系，其共晶形貌按照其結晶結構學特點生長，定向凝固下熱流的方向影響不顯著。The effect of solidification rate on the solidified structure, cooperation growth zone and microstructures such as tac rods volume fraction, tac rods average spacing, tac average transverse area and y phase in this eutectic composite were systematically investigated with lmc. the relationship between solidification processing controlling and solidification microstructure was established
藉助金相技術、電鏡技術、圖象處理技術等多種分析測試手段，考察試樣的界面形態、組織特徵以及共晶形貌等多方面的凝固特性，建立了凝固過程式控制制與凝固組織的對應關系。When the undercooling goes beyond the coupled zone, it is found that the ( pb ) dendrites in the acoustically levitated drops can also appear in the top of the drops and the gravitational macrosegregation is effectively suppressed, which may be caused by the ultrasound and complicated fluid flow inside the drops
發現在小過冷范圍內，由於超聲波的攪拌作用層片共晶組織發生碎斷現象；在大過冷情況下，超聲波可以有效地抑制宏觀偏析的發生。Because of the effect of sip porous skeleton, the primary si and the eutectic si were separated on the surface of sip porous skeleton under slow cooling conditions, and there were no typical eutectic microstructures in the al - alloys phase of the composites. 6
處于si相顆粒間隙的過共晶al - si合金液在緩慢冷卻凝固時，初晶si和共晶si會附著在si多孔體骨架上析出，在最終的復合材料中沒有典型的al - si共晶組織。Qualitative evaluation of molten al - si alloys by thermal analysis
過共晶鋁硅合金細化變質劑的研究2. the room temperature tensile strength of alloy made by mlsd relate to the extrusion temperature and the extrusion reduction ratio, with high temperature and reduction ratio, the tensile strength becomes low
二、多層噴射沉積過共晶a1 - si合金的室溫強度與擠壓溫度和擠壓比有關，擠壓溫度越高，合金的強度會降低。In order to analyze the effect of structure of hypereutectic al - si alloy on its machinability, the cutting test to two hypereutectic al - si alloys which have the same chemical composition but different structures is made and their cutting mechanism is studied
為分析過共晶鋁硅合金組織對其切削加工性能的影響，對兩種化學成分相同但是組織結構不同的過共晶鋁硅合金進行了切削試驗研究並探討了其切削機理。The results show that, after transformation the size, shape and distribution of primary silicon in hypereutectic al - si alloy have a serious effect on the tool life and the machined surface quality of the alloy, the alloy whose primary silicon is fine, spread and dull angular has a better machinability
試驗結果表明：過共晶鋁硅合金經變質處理后組織中初晶硅的大小、形狀和分佈狀況對切削刀具壽命和合金的切削加工表面質量影響極大，具有細小、分散而形狀圓鈍化初晶硅的合金有比較好的切削性能。The theoretical calculation based on jh and tmk models is accomplished and predicts that the maximum undercooling for cooperative eutectic growth is 199k
發現隨著過冷度的增大， al - cu共晶合金發生「規則共晶?不規則共晶」的組織形貌轉變。分享友人