表面滲碳 的英文怎麼說

中文拼音 [biǎomiànshèntàn]
表面滲碳 英文
case cabonizing
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 滲 : 動詞（液體慢慢地透過或漏出） ooze; seep
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. It is a heavyweight detergent that contains active emulsifying agent and rust - curbing agent it can easily rid grease paraffin carbon spots dyestuff and mold spectacles of the mechanic equipment metal surface or any ornamental surface it can be easily used and has an obvious effect with respect to its economy and security it works better when diluted with warm water

    本品屬重量級除漬去油污劑，經含有強力滲透表面活性乳化劑和銹抑制劑，極易去除機械設備、金屬表面、任何裝飾表面、油脂、石蠟、碳跡、染料、霉斑等污物，使用方法簡單，清洗效果顯著，而且及其安全經濟，溫水稀釋效果更佳。
  2. The case-hardening or carburizing process is in wide use.

    表面淬火或滲碳法應用十分廣泛。
  3. It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heavily decrease the fatigue life of the gear

    結果表明：在正常滲碳淬火工藝基礎上再延長滲碳淬火1小時，齒輪滲碳層深度變化不大，但其齒根局部表面處有非馬組織，且晶粒尺寸易產生異常長大現象，從而致使臺架疲勞壽命明顯下降。
  4. Frictional performances of sulphurized layers on carbon steel using plastic flown line theory

    用塑性流線理論對碳鋼滲硫表面摩擦特性的研究
  5. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。
  6. Mechanical and performance requirements of case hardened and tempered metric thread rolling screws

    表面滲碳硬化和回火的公制滾絲螺釘的機械和性能要求
  7. Abstract : a new process of drop - feed gas carburizing with enhanced pressure and mass flow has been described

    文摘:用高爐壓、大劑量煤油滴注進行氣體滲碳，所形成的滲碳氣氛碳勢可達2 . 0 % 2 . 6 % ，工件表面無碳黑沉積。
  8. After forming, they receive adequate surface hardness through heat treatment. such hardening is made possible by carburizing. these case - hardening steels are an important group of materials for mold cavities

    成形后，鋼經過熱處理得到足夠的表面硬度，這種硬化常通過滲碳的方式進行，這種表面硬化鋼是一種很重要的模具型腔製作材料
  9. Strengthening mechanism of ion nitriding is different from surface quenching and cementation, which makes surface strengthen by quenching to get martensite. ionic nitriding is the way to make materials strengthe n, which result from the steady compound formed on the surface of the metal. there is no need for quenching after treatment

    離子滲氮的強化機理不同於表面淬火，滲碳等表面熱處理方法，這些方法必須進行淬火得到馬氏體使表面強化，而離子滲氮是在金屬表面形成穩定化合物而使材料強化，處理后不須淬火。
  10. Eddy current testing is a method suitable for testing changes occurred in the surface or subsurface of specimen. when using this method to test carburized components, the variable of eddy current signal is depend on the change of constituents " physical property in carburized layer. so it can be used to test carburized components nondestructively

    渦流檢測是一種適用於試件表面和近表面變化的檢測方法，利用渦流方法檢測滲碳件時，渦流檢測信號的變化主要取決于滲碳層組織的物理特性的變化，所以渦流檢測方法可以對金屬表面滲碳層深度進行檢測而不構成任何破壞。
  11. Study on enhancing the surface quality of carburization arc gear

    關于提高蝸桿滲碳表面質量的研究
  12. It shows the nanometer particles have automation to make the friction surface in a comparatively even state. 4 ) through tribology chemistry function, the nanometer cacoj and cao particles form a deposited film on the wear scar ' s surface or strengthen the surface through a small amount of metal ca ' s diffusion to improve the friction surface ' s a

    （ 4 ）納米碳酸鈣和納米氧化鈣粒子通過摩擦過程中的摩擦化學作用在磨斑表面上形成了沉積膜，少量金屬鈣通過擴散作用滲透到鋼基體表面，形成表面強化層，提高了表面的耐磨性。
  13. On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals

    在退火態45鋼表面，由於珠光體組織中含有滲碳體相且具有比較高的晶界密度，因而在沉積初期鍍層優先在此處形核和生長；鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。
  14. This thesis fabricated successfully a wc particle reinforced iron matrix composite using a vacuum infiltration process for severely erosion and application in the slurry pump. the casting process was optimized. the microstructure and wear resistance were researched and analyzed

    本文針對承受嚴重沖蝕磨損的渣漿泵過流件，採用負壓鑄滲工藝成功制備了碳化鎢顆粒增強鐵基表面復合材料，改善和優化了復合工藝、鑄造工藝。
  15. Iso9001 and ccs china classification society have been approved. main products are 1g 3. 2g 11g 20g reverse osmosis water storage tanks ; carbon steel tanks stainless steel tanks flange air tank ; pressure vessel for ship ; 1. 8 0. 9stepper motor. we have the abilities of smt and wafer rank ddf pop

    主要產品有： 2g 3 . 2g 11g 20g鋼制逆滲透ro純水壓力桶碳鋼不銹鋼法蘭式儲氣罐船用壓力容器1 . 8和0 . 9的步進電機具有smt表面貼裝和晶片級ddf pop封裝能力。
  16. The researches indicate that after a heat treatment at high temperature ( 1700 ? ), the chemistry properties of the boron carbide surface are changed. the new boron carbide surface, react weaker with aluminum, thus a better infiltration can be achieved

    碳化硼預制體經高溫預燒后，碳化硼表面化學狀態發生改變，預燒后形成的碳化硼新表面與鋁的反應活性降低，從而保證在本文工藝條件下浸滲過程的順利進行。
  17. 4 the steel shall not be surface carburized. where it is suspected that there is surface carburization the method described in appendix c shall be used for detection

    鋼的表面不得滲碳。如有質疑，用附錄c中描述的探測方式進行表面脫碳。
  18. In the process of alloy melt and infiltrate the boron carbide, reaction between the boron carbide and aluminum interface occur, the key of achieving a good interface bond is the control of the reaction between the boron carbide and aluminum interface

    研究表明，在熔融鋁潤濕碳化硼預制體並向碳化硼預制體中浸滲的過程中，取得良好界面結合的關鍵是保證在預制體達到完全浸滲前不發生過度的界面反應。
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