表層硬化 的英文怎麼說

中文拼音 [biǎocéngyìnghuà]
表層硬化 英文
case hardening
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 硬 : 形容詞1 （堅硬） hard; stiff; tough 2 （剛強; 堅定; 強硬） strong; firm; tough; obstinate 3 （勉...
  • 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
  • 硬化 : 1 （變硬） harden; stiffen; stiffening; indurascent; ossification; cure; curing 2 [醫學] （組織變...
  1. Comparison tests were made to the primary and secondory detonations and the same quantities of the same explosives, and found that both the surface rigidity and the depth of the induration layer have been improved obviously by the use of secondary detonation

    同時對同種炸藥相同藥量分兩次爆炸與一次爆炸的效果進行比較，發現採用二次爆炸要比一次爆炸無論表面硬度，還是硬化層深度都有明顯改進。
  2. Sawn timber - method for assessment of case - hardening ; german version env 14464 : 2002

    鋸料.表層硬化評定方法
  3. Measuring case depth for steel

    鋼表層硬化深度測定法
  4. Numerical simulation of hardened - depth on eddy signal

    渦流場量評價材料表面硬化層深度的數值模擬
  5. The results indicated that discontinuity of micro structure of work layer caused by in. homogeneous distribution of chemical composition, different pattern of carbide, mhomogeneity of hardness lead to large area of spalling and frther scrapping of roll

    結果表明，化學成分的不均勻分佈，造成軋輥輥身工作層組織不連續、碳化拘形態各異使輥身工作層硬度不均勻，產生大面積剝落，最終導致軋輥報廢。
  6. Nondestructive testing and quality control of metal hardened - depth is a important problem to be solved in machinery industry. it belongs to material property testing

    金屬表面硬化層深的檢測及控制是目前機械工業部門急需解決的一個問題，它屬于材質檢測的范疇。
  7. Nondestructive testing and quality control of metal hardened - depth is an important problem to be solved in machinery industry. it belongs to material property testing

    金屬表面硬化層深度的檢測及控制是目前機械工業部門急需解決的一個問題，它屬于材料檢測的范疇。
  8. Firstly, the comparation study between the wedge pressing and the contour forging has shown that the transverse deforming initiated from the surface of the preforms. when the superficies reached the moulding wall, the deforming moved downwards as the high - direction deforming increased, till the moulding chamber was full of stock ; the transverse deforming of the moulding pressing stock initiated from the center of the stock then surned into a drum - type. the distribution of the density and hardness of the high - direction indicated that the wedge pressing acquired a better ability of pressing penetration

    首先對比研究了楔形壓制工藝與模壓緻密化工藝，發現楔壓坯料的橫向變形從上表層開始，當上表面與模壁接觸后，隨著高向變形量的增加逐步向下移動，直至坯料充滿模腔;模壓坯料的橫向變形從坯料中間開始，形成鼓形。高向的密度、硬度分佈表明楔壓比模壓具有更好的壓透能力。
  9. Series hv / hvs vickers hardness tester, that is composed of precision mechanism, optical system and electric technology, is used to measure vickers hardness of either metallic materials or non - metallic materials

    Hvs系列維氏硬度計是由精密機械，光學系統和先進技術萃合而成的材料硬度測定儀器，用於測定黑色金屬、硬度合金、有色金屬、表面滲氮層、氮化或非金屬材料的維氏硬度，可用於各行各業的金屬材料、大專院校等。
  10. An easy protection method before the hard anodizing was developed

    試驗表明，硬質陽極氧化后鉻酸陽極化膜層的耐蝕性能良好。
  11. It is these particles that can change nitriding layer microstructure and that accelerates the layer formation. nitrogen is infiltrated through the surface of metals and it changes the chemical components. as a result, the surface of metal has good performance with high hardness, high resistant attrition, high fatigue strength, high resistant erode and resistant die burn

    這些高能粒子可以改變滲層組織，結構和促進化學反應過程，加速滲層形成，使氮元素滲入金屬表面，從而改變金屬表面的化學成分，使之具有高硬度、高耐磨性、高疲勞強度、高腐蝕能力及抗燒傷性。
  12. I. investigation on laser surface hardening for metal materials in this work, the effect of the process parameters in laser surface hardening on the properties and surface feature of the hardened layer was studied

    一、金屬材料激光表面硬化技術研究。研究了激光表面淬火工藝參數和硬化層性能、強化效果之間的關系，對大面積激光淬火技術的基礎理論及搭接方法對組織性能的影響規律進行了探討。
  13. Ferrous metals, non - ferrous metals, ic thin sections, coatings, ply - metals ; glass, ceramics, agate, precious stones ; hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers

    黑色金屬、有色金屬、 ic薄片、層壓金屬、表面塗層；玻璃、陶瓷、瑪瑙、寶石等；炭化層和淬火硬化層的深度及梯度的硬度測試。
  14. In laser surface hardening for the mould - roller, the hardened depth was controlled by laser specific energy density ( p / dv ), and proper overlapping ratio is the technical key. 3

    在模切輥激光表面強化中，激光比能密度p dv是影響相變硬化層深度的主要因素，搭接率的正確選取是模切輥表面強化技術的關鍵。
  15. Abstract : in this paper, the laser transformation hardening ( lth ) system which used for die and mould and laser processing methods are introduced. the relationship between depth of hardening layer, wear resistance properties and laser hardening processing parameters are dicussed. the results show that die ' s service life can be improved by using lth technology

    文摘:介紹了用於模具表面的激光強化加工系統和激光強化工藝方法，討論了激光強化模具表面的硬化層深度和耐磨性能與激光強化工藝參數之間的關系，採用激光強化技術能大幅度提高模具的使用壽命。
  16. The dissertation was relied on the project of national nature science foundation project formation and failure of hard crust on the subaqueous delta of yellow river ( contract no. 141720888 ), and objective to research dynamic variation of engineering geological environmental factors i. e., topographic and morphologic features, composition and structure, physical and mechanical properties on the subsurface of yellow river delta, that was induced by wave loading action

    本學位論文以國家自然科學基金面上項目「黃河口水下斜坡硬殼的形成與破壞」 （項目號： 141720888 ）為依託，旨在研究波浪作用導致的黃河三角洲表層工程地質環境要素，即形貌特徵、物質組成、物理力學性質的動態變化過程。
  17. Simulation of surface work - hardening caused by metal cutting

    金屬切削中工件表層加工硬化模擬
  18. Determination of total or effective thickness of thin surface hardened layers of steel parts

    鋼件薄表面總硬化層深度或有效硬化層深度的測定
  19. The zone is formed by strong weathering of hard and rigid granodiorites formed 2. 7billion years ago, which the physical characters and chemical componentsat the surface of granodiorites have been changing posed by the geological forces of air, temperature and biology etc

    27億年左右形成的堅硬花崗閃長巖，在大氣、溫度、水和生物等外力地質作用下，其表層發生了物理性質或化學成分的變化，即強風化作用。
  20. The zone is formed by strong weathering of hard and rigid granodiorites formed 2. 7billion years ago, which the physical characters and chemical components at the surface of granodiorites have been changing posed by the geological forces of air, temperature and biology etc

    27億年左右形成的堅硬花崗閃長巖，在大氣、溫度、水和生物等外力地質作用下，其表層發生了物理性質或化學成分的變化，即強風化作用。
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