而熱合金 的英文怎麼說
中文拼音 [ērrègějīn]
而熱合金
英文
heat resisting alloy-
By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer
利用電子顯微鏡及x射線衍射等試驗方法，研究了復合層形成機理，研究表明，復合層是在毛細力作用下，鐵液被吸入合金層中，致使低熔點ht粉過熱熔化而形成的，並與母材是冶金結合。That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )
以bg微粉和ha微粉作為塗層原料，通過研究bg和ha微粉在非水介質中的分散情況和帶電特性，選擇冰醋酸為介質，使分散在其中的bg顆粒和ha顆粒表面均帶上正電荷，為電泳共沉積提供前提條件；通過對不同條件下bg 、 ha各自電泳沉積的研究，探索出了兩者電泳沉積的規律；通過對bg和ha在冰醋酸中電泳共沉積以及后續低溫（ 740左右）快燒（ 50 ? 80 min ，保溫5 ? 8min ）熱處理的研究，在鈦合金牙根種植體基體上成功制備出了底層緻密而表層多孔的bg ha梯度塗層。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。Characteristic and suitablescope the surface basic is 10 steeil and spcc, then sinter 20high - tin, the manufacture has good antifriction, no fever heat, against grip axes, suitable for engines camshaft and pneumatic engine, refrigerating machine bushes. at present, our factory is the greatest export factory for eccentric bushes in the domestic area, and match bushes to isuzus idler gear for japanese isuzu co
表面以10鋼或spcc低碳鋼為基礎，表面燒結錫合金材料扎制而成，產品具有耐磨性能好，不發熱，不咬軸等優點，特別適用於發動機凸輪軸，氣壓機，製冷機軸套，目前我廠是國內出口偏心軸瓦的最大廠家，並一直為日本五鈴公司配套五十鈴惰輪襯套，和國內各主要柴油機廠配套。The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最後，採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下，取得以下結論：升溫導致的材料機械性能下降都會降低結構固有頻率，而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率；金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Lqry series hot oil pump, ( 1 ) with the combination of packing seal and mechanical seal, the former using high temperature resistant packing to enable outstanding thermal adaptability, while the latter using hard alloy material of high mechanical strength and sound wearing resistance, so as to ensure the sealing performance under high temperature conditions. ( 2 ) use of the third generation ptfe for lip seal, which is a great improvement to sealing performance
Lqry系列熱油泵， （ 1 ）採用填料密封和機械密封相結合的形式，填料密封用耐高溫的填料，具有良好的熱態適應性，而機械密封則採用機械強度高，耐磨性好的硬質合金材料，保證了高溫情況下的密封性能。Because of its excellent properties, such as high strength, high module, wear resisting, and etc., sicp was added to ferroalloy as a reinforce phase. but the intrinsic difference between the bonds led to poor fabrication of the composites. in this paper, the effects of alloying, sintering, and heat - treatment on the properties and microstructures of sicp / ferroalloy - based composites were studied, : it was found that sic particles reacted with ferroalloy when sintered in 1100
碳化硅因其高強度、高模量、耐熱、耐磨等優良性能而被作為顆粒增強體來制備鐵基復合材料，但因其共價鍵與鐵基體的金屬鍵之間的本質區別導致兩者復合困難，本文擬從基體合金化、燒結及熱處理工藝等方面對鐵合金基復合材料組織與性能的影響進行考察，具體內容如下：加入fe - cu - c基體中的sicp顆粒， 1100燒結時就已經開始發生分解，但反應不強烈，在顆粒表面鍍鎳可以延緩基顆粒與基體之間的反應。Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管，熱電偶採用彈簧壓著式，保護套管和法蘭選用特殊合金材料鍛造，套管採用棒料整體鉆孔加工而成，與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接，耐壓30mpa ，使用溫度0800 ，可長期使用在加氫裂化裝置裂解裝置，氣化爐等高壓設備中。Noticing that strong exothermic reaction due to large negative enthalpy of mixing can occur among major components of ti - zr - based quasicrystal alloy systems and zr - based bulk amorphous alloy systems, we developed for the first time a new technique for fabricating both ti - zr - ni systems quasicrystal materials and zr - al - ni - cu systems amorphous - based composite materials using laser - induced self - propagating reaction synthesis ( lsrs )
注意到構成ti - zr基準晶合金體系和zr基大塊非晶合金體系的主要組元之間具有很大的負混合焓，因而能夠發生很強的放熱反應。利用這一特點，我們首次開展了激光誘導自蔓延反應合成ti - zr - ni系準晶材料和zr - al - ni - cu系非晶復合材料的探索研究。Results of the experiments showed that the wear mechanisms of the sintered steel included abrasive wear, adhesive wear and fatigue wear, and it was the abrasive wear most important. it was the sintered steel mixed by ni, mo that was the best on the wear resistance, because of the great lot of bainite ; the sintered steel quenched and low temperature tempered mixed by mo, w that was the best on the wear resistance, because of the rigidity of the steel was the highest
實驗結果表明：本文中幾種燒結鋼的磨損機制均是由磨粒磨損、粘著磨損、和疲勞磨損共同作用的，且以磨粒磨損為主；在燒結態下，復合添加合金元素鎳、鉬的燒結鋼的耐磨性能最好，這是因為生成了大量的硬質相貝氏體；而淬火、低溫回火態下，則復合添加鉬、鎢的燒結鋼的耐磨性能最好，這是因為熱處理態下添加鉬、鎢的燒結鋼的硬度最高。The results of the experiments show that the ti3al - tcll dual alloys, by vacuum - electron - beam weld, hot die forging and 680c / 12h, ac, heat treatments, have satisfied synthesis properties of intensity, plasticity, hardness. and also it is the feasiblie way. this will establish the supporting technology for the manufacture of the compress disk in the areoengine
實驗結果表明，經真空電子束焊接ti _ 3al ? tc11雙合金經過熱模鍛造和680 12h ， ac或815 1h + 700 8h ， ac熱處理后，焊接區組織過渡均勻，可以使得焊縫處強度在室溫拉伸時高於ti _ 3al ，而在600拉伸時高於tc11合金，獲得強度、塑性、硬度均令人滿意的綜合性能，且是一條可行的工藝路線。It has not only better physics machine function, but also better bio - compatibility, bone - combined character than bio - metal and alloys, bio - ceramics and bio - macromolecule etc. making use of the water heat synthesization method, air current comminution method and classification filtration composite technique has preparated even crystal of ha, average particle size is 280nm
本文研製了無機纖維增強pmma ha人工顱骨復合材料，該復合材料與金屬材料、陶瓷材料和高分子材料相比，不僅具有良好的物理機械性能，而且具有良好的生物相容性和骨結合特性。利用水熱合成法、氣流粉碎法和分級篩分等多種技術制備了粒徑均一的ha晶體，平均粒徑為280nm 。Heater adopts high quality stainless steel, alloy heating wire, electrical melting mgo powder etc. to make the heating elements after passing advanced technology such as coiling wire, shrinking tube, removing humidity and sealing etc. the connection between flange and heating tube adopts hydrogen arc welding and vacuum lead welding to guarantee the heater without leakage under high voltage
加熱器採用優質不銹鋼管合金加熱絲電熔氧化鎂粉等材料，經繞絲縮管排潮封口等先進的生產工藝製造而成的發熱元件法蘭與電熱管的聯接採用氬弧焊及真空釬焊，保證了加熱器在高壓下的不滲漏。The heat resulting from the resistance of the metals locally liquefies the conductor and the plug, creating a single material alloy where the two meet
其因金屬電阻效應所產生之熱度，可局部液化導體與插頭之金屬，從而在其會合交接處，熔合而成單一合金材質。Cooling system with arc source not only reduces the calorie coming from evaporation of arc source, but also filter large - granule liquid drop. so it is widely used in plated aluminum alloy as well as in titanium nitride, titanium carbide, zirconium nitride, chromium nitride, titanium, nickel, chrome, copper, gold, and silver
帶弧源降溫系統不但可以降低弧源蒸發過程中生成的熱量，而且可以過濾部分大顆粒的液滴，所以大范圍的用於鍍制鋁合金製品，廣泛適用於鍍制氮化鈦碳化鈦氮化鋯氮化鉻及鈦鎳鉻銅金銀等等。The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface
發現： 1 ）疊層材料具有明顯優于均質材料的熱電性能，在490溫差下， p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 （ mw / cm ~ 2 ） ，是同類型均質- fesi _ 2的2 . 5和3倍； 2 ）在焊接過程和190長時間退火處理過程中，焊接過渡層合金和基體半導體（特別是bi _ 2te _ 3 ）之間存在明顯的元素相互擴散，從而在過渡層中形成一些低熔點共晶體和脆性化合物，這是導致疊層材料破壞的主要原因； 3 ）焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。This product sirefinedly made of high - quality aluminum lloy material with reasonable framework and elegant profile
該產品選用優質鋁合金材料精製而成，結構合理，造型美觀，同時引進熱列印色帶的新技術。The studying results indicated that : three typical microstructures were abtained when ct20 alloy were annealed under different temperature, that is, equiaxed microstructure ( annealed at t1, t2 and t3 ), bimodal microstructure ( annealed at t4 and t5 ) and lamellar microstructure ( annealed at t6 ). the effect of microstructure on rt tensile properties was weak, while at 20k was notable
研究表明： ct20合金冷軋態管材通過熱處理可以獲得三種典型的組織類型，即等軸組織（ t1 、 t2和t3制度） 、雙態組織（ t4和t5制度）和片狀組織（ t6制度） ；顯微組織對ct20合金的室溫性能影響不大，而對20k下性能的影響則較明顯。The ha coating is easily broken off from the substrate because of the interface corrosion, caused by the body fluid, and the cycle load. the preparation of the bg / ha bioactive graded coating on the surface of ti6a14v is an effective way to alleviate the heat stress
在鈦合金表面制備生物玻璃（ bg ） ha梯度塗層，來緩和因熱膨脹系數不匹配而造成的塗層內部過高的熱應力是解決以上問題的有效途徑之一。分享友人