金屬間的 的英文怎麼說
中文拼音 [jīnzhǔjiānde]
金屬間的
英文
intermetallic-
Abstract : the current status of research work on intermetallic compound dispersoid in rapidly solidified elevated temperature aluminum alloys is reviewed. the dispersoid existing in common elevated temperature aluminum allo ys, effect of rapid solidification processing on the formation of dispersoid and their thermal stability are discribed
文摘:綜述了快速凝固耐熱鋁合金中金屬間化合物彌散相的研究現狀，介紹了常見耐熱鋁合金中存在的彌散相、快速凝固工藝對彌散相形成的影響和彌散相的熱穩定性及其影響因素。According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time
根據nb - si二元相圖，選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系金屬間化合物進行不同時間（ 25h - 100h ）的熱處理，並根據目前國內和我院熱處理爐的現狀，首次提出採用分段熱處理的方法來解決nb - si合金熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。Preparation of ordered intermetallic compound of fe3si with mechanical activation and sintering
有序金屬間化合物的制備Evolution of intermetallic compounds in snag and snagcu lead - free solder joints during aging
無鉛焊料接頭中金屬間化合物在時效中的演變Classification and designation for superalloys and high temperature intermetallic materials
高溫合金和金屬間化合物高溫材料的分類和牌號Advances in powder metallurgy of tial intermetallics
金屬間化合物的研究進展The process and mechanism of ball bonding were studied in this paper, specifically, intermetallic compounds ( imc ) formation and reliability on copper wire and aluminum alloy pad bonding joint during thermal aging were analyzed in detail
本文在對銅絲球鍵合工藝和原理研究的基礎上，著重分析了老化過程中銅絲球與鋁合金焊盤鍵合的金屬間化合物生長及可靠性。A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours
研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則，金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ，老化后金屬間化合物呈層狀分佈，主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ，主要相為au4al和au5al2 ，同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋，但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets
低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為，分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度，總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同，金屬間化合物的生成情況。While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale
對催化劑進行摻鉬處理表明，它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力：作者在高溫下進行了催化劑摻入金屬鉬的實驗，得到了一種性能優異的催化劑，以此制備的多壁納米碳管的呈束狀分佈，所得的粗產物與催化劑之間的重量比達15倍以上。Three porphyrin complexes of palladium were chosen as phosphorescence sensing molecules : palladium - meso - tetra ( trimethylaminophenyl ) porphyrin ( pd - tapp ), palladium - coporphyrin ( pdcp ) and palladium - meso - tetra ( p - sulfonicphenyl ) porphyrin ( pd - tspp ). they were bound to dowex resins, and made into oxygen sensor. we detected the characteristics such as sensitivities and response times combined with flow injection analysis ( fia ) technology
選取了三種金屬鈀的卟啉配合物：四- （三甲氨基苯基）鈀卟啉（ pd - tapp ） 、鈀糞卟啉（ pd - cp ） 、四- （對磺酸基苯基）鈀卟啉（ pd - tspp ）作為磷光傳感分子，將其固定在dowex樹脂上，製成傳感器，並與流動注射分析技術（ fia ）結合起來，考察了其對氧的傳感靈敏性，時間響應特性等條件。Before 900 c, ti reacts with al to form tial intermetallics ; above 900 c, c reacts with remain ti to form tic triggered by the exothermal reaction of ti and al ; tial reacts with tic to produce dense tial / ti2alc composites
間的放熱反應引發c和未反應完全的ti反應生成tic ; tiai金屬間化合物和tic反應併合成緻密tiai / tizaic復合材料。通過保溫階段， tizaic長成層狀多品結構，同時復合材料緻密化。Tial - matrix intermetallic compounds have become one of the hottest high - temperature structural materials recently, due to its excellent high - temperature properties and lower density
Tial基金屬間化合物因具有優良的高溫性能和較低的密度，從而成為目前世界上研究最為熱門的高溫結構材料之一。B connections for general use and fluid power - ports and stud ends with iso 261 threads with elastomeric or metal - to - metal sealing - stud ends with metal - to - metal sealing type b
普通和液壓用聯接結件.用iso 261螺紋的彈性或金屬與金屬間密封的氣門和雙頭螺栓端頭The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out
採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間（防止脆性金屬間化合物的過度增長）等措施，確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型，對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。The essential factors for different growth rate of imc were analysed as well
本文還分析了金屬間化合物生長速率差異的本質因素。The efficiency of the sample made in alkaline catalyst is 79 % and a first charge capacity of 201. 2mah ? g ~ ( - 1 )
在900條件材料出現了一定量的硅銅金屬間化合物（ cu3si相） ，但材料的電化學性能沒有明顯提高。The results also indicated that, in the beginning of the exposure time, cd, cr and zn had an accumulation peak in liver and then a decrease in accumulation concentration, which maybe associated with the interaction of mixed heavy metals or the detoxifcation of metallothionein ( mt ) in the livers
本研究首次發現cd 、 cr和zn三種重金屬在曝露初期，在肝臟的積累過程中，形成一個積累高峰，隨後下降，推測可能與混合重金屬間的相互作用有關，也可能與肝肋中mt的解毒功能有關。As pretreatment primer for bare metal surface, aluminum alloy, copper brass, galvanized steel, such as ship, bridge, oil tank, appliance and so on to improve adhesion of the antirust coating to metal
用於船舶、橋梁、油罐、儀表等鋁合金、銅、黃銅、鍍鋅鋼件或鋼鐵等未塗漆金屬表面，作預處理底漆，可增加防銹漆和金屬間的附著力。There were significant negative relationships among soil microbial carbon, microbial nitrogen, basal respiration, microbial metabolic quotient, urease activity, dehydrogenase activity, nitrification, nitrogen fixation and cadmium or lead concentration ( r0. 01 = 0. 765, r0. 05 = 0. 632 ). there was a close positive relationship between soil microbial biomass c : n ratios and cadmium or lead concentration ( r = 0. 8920 )
上述微生物活性指標與重金屬間的相關性分析表明，微生物生物量碳、基礎呼吸、微生物代謝商、脫氫酶活性與cd 、 pb的加入量呈極顯著負相關性，土壤微生物生物量c n比與cd 、 pb的加入量呈現極顯著正相關關系。分享友人