無碳合金 的英文怎麼說

中文拼音 [wútàngějīn]
無碳合金 英文
carbon-free alloy
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  1. The strength and wear resistance of diamond drill bits for petroleum exploitation will be increased considerably when cast tungsten carbide is applied and adheres to the substrate firmly with cast tungsten carbide of 80 - 200mesh as the skelton and copper alloy as the soldering material in a process of non - pressure immersion

    石油鉆探行業用的金剛石鉆頭，用粒度為80 ? 200目的鑄造碳化鎢粉作骨架，採用無壓浸漬工藝，以銅合金作釬焊料，將鑄造碳化鎢與基體牢固結合，強度、耐磨性大大提高。
  2. Main product : tungsten carbide powder, roll ring, anvil and cylinder, mining button bit, dies nib for various application : cold heading dies, drawing dies and non - magnetic carbide dies. all of the products mentioned above could be offered in blank or finishing product

    公司主要產品有：碳化鎢粉硬質合金輥環頂錘和壓缸冷鐓模無磁合金礦山柱拉絲拉管模棒材板材非標模具及硬質合金精密加工產品等，廣泛應用於鋼鐵標準件金剛石粉末冶金石油礦山磁性材料機械加工電子等行業。
  3. 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 。
  4. The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar

    研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。
  5. High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard

    優質碳素結構鋼圓管坯，高壓鍋爐用無縫管坯，合金結構鋼管坯等均達到國標中的各項要求。
  6. It has been widely used as binder for making heat - insulating board for lundish, featuring stability, high fized - carbon, no poison, no precipitation, etc … it produced so much favourabte comment and trusr from customers

    廣泛用於轉爐修補料、乾式中間包振動料、冶金連鑄中間包絕熱板作結合劑，它具有性能穩定、固定碳高、無毒、無沉澱的特點、多年來深受廣大用戶的信任和好評。
  7. Ptru / c, ptruwo _ 3 / c and ptrumoo _ 3 / c are prepared by chemical reduction of the appropriate salt solutions, and structural characterizations are carried out with x - ray diffraction. the result indicates pt and ru form alloy and the transition metal oxides are existed in amorphous form

    通過化學還原法合成了ptru / c ， ptruwo _ 3 / c和ptrumoo _ 3 / c三種碳載合金催化劑，並進行xrd及tem測試，發現鉑釕組成了合金相，而過渡金屬則是以無定型的結構存在的。
  8. The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid ， organic compound ， alkali ， neutral solution and a great many of gases ， double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion - resisting propertyto ensure the service life of product ， it is an optimal pump forhandling corrosive mediums without leakage

    功能描述該泵過流部份採用全不銹鋼材料，對有機酸，有機化合物，堿、中性溶液和多種氣體都有良好的耐腐性，雙螺旋槽碳石墨軸承和硬質合金軸套的磨合，具有較強的耐磨性，保證了產品的壽命，是無泄漏輸送腐蝕性介質的理想泵。
  9. The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid, organic compound, alkali, neutral solution and a great many of gases, double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion - resisting propertyto ensure the service life of product, it is an optimal pump forhandling corrosive mediums without leakage

    產品概述：該泵過流部份採用全不銹鋼材料，對有機酸，有機化合物，堿、中性溶液和多種氣體都有良好的耐腐性，雙螺旋槽碳石墨軸承和硬質合金軸套的磨合，具有較強的耐磨性，保證了產品的壽命，是無泄漏輸送腐蝕性介質的理想泵。
  10. Various kinds of carbon steel, alloy steel, stainless steel, 90 and 180seamless elbow, sharp bend elbow, plate tube, concentrated pipe and all kinds of pipe fitting made by of company with intermediate frequency induction heating bending shaping craft are features in smooth surface both in inside and outside, even thickness of pipe wall and other advantages, and our products are proved by state science technology commission, national ministry of labor and other authoritative department after the quality inspection that the products of us conforms to the national standard and different standards of different industries

    公司採用中頻感應加熱推製成型工藝，生產的各種碳鋼合金鋼不銹鋼90 180無縫彎頭，急彎彎管盤管集合管及各種管道配件具有組織緻密，內外表面光滑，壁厚均勻等優點，經國家科委勞動部等技術權威部門對技術進行檢測均符合中華人民共和國國標及各行業標準。公司自行設計製造了3條推製成型流水線，可生產18 - 630的各種材質壁厚無縫彎頭。
  11. It is found that the catalyst inducement and density greatly affect the alignment of carbon nanotubes. ferrocene as the catalyst precursor, double - layered aligned carbon nanotubes were grown on silicon substrates using chemical vapor deposition ( cvd ) by decomposing acetylene twice

    對于鍍al 、鍍ni硅面，在二茂鐵分解形成的納米鐵顆粒與襯底上的al和ni顆粒分別形成的液相合金的作用下，碳原子團簇生成大量雜亂無序的碳納米管。
  12. At present, the company ranks the top throughout the world in the fields as fluorocarbon dope for plastic and steel, alum - alloy, coiled plate and for steel - structure, and inorganic pre - coating plate, etc

    衡峰在塑鋼用氟碳塗料、鋁合金用氟碳塗料、卷材用氟碳塗料、鋼結構用氟碳塗料、光催化陶瓷塗料、無機預塗裝飾板材及預制干掛外墻外保溫系統等領域處于國內領先水平。
  13. Standard specification for seamless carbon - molybdenum alloy - steel boiler and superheater tubes

    鍋爐和過熱器用無縫碳鉬合金鋼管標準規范
  14. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。
分享友人
分享到 Line

分享到臉書