面層裂紋 的英文怎麼說

中文拼音 [miàncénglièwén]
面層裂紋 英文
surface check
  • : 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...
  • : 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...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  1. Formation mechanism of cracks in surface oxidating layer of mosi2 heating material

    2電熱材料表氧化的形成機制
  2. 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,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
  3. Because the propellant grain is viscoelastic material, the liner and adiabatic layer are also viscoelastic one, the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials. research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion. numerical analysis method about interface debond on solid rocket motor is researched in this paper

    由於固體火箭發動機的推進劑藥柱是一種粘彈性材料,襯和絕熱也具有粘彈性性質,因此其界脫粘問題實際上是彈性-粘彈性或雙粘彈性各向同性材料界問題,對該問題的研究涉及到粘彈性力學、界力學和燃燒學等相關學科。
  4. By means of the transformation from the focal coordinate system to the observation system, we obtained the external normal vector of the focal fault plane expressed in its observation system, and obtained the macrodamage degree of the researched block, which is calculated in dyadic

    由震源坐標系表示的震源斷換算到觀測坐標系得到其外法向矢量,可求得研究地塊以地震密度張量計算的宏觀損傷度的變化。
  5. It can rapidly and exactly search for tiny defect, needle hole, crackl, gas crack on the anticorrosion coating of the metal and correctly note down the number of damaged point on the coating

    快速精確地搜速金屬表防腐的極小缺陷,針孔,,氣隙並準確地記錄防腐破損點的個數。
  6. Analyzing the propagation behaviors for open and close crack, the author gain that normal fault is more dangerous to earthquake than reverse fault and glide fault. 3. appling fracture mechanics to discuss reservoir - induce earthquake mechanism, the author observes the characteristic of surface crack and gains the stress intensity factor induced by the pressure of rock, water and osmosis

    針對庫區斷為表這一特點,研究水庫地震的斷特點,得出地應力作用下的應力強度因子、庫水作用下的應力強度因子和滲壓作用下的應力強度因子以及它們的應力強度因子之合,並且合理的解釋了構造型水庫地震的誘發機理。
  7. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開、封裝、空洞、離等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  8. It is very important for metal load - carrying structure in detecting the cracks on the surface or subsurface of material

    摘要材料表和表下淺的檢測對金屬承力結構十分重要。
  9. The pavement panel, under load and with already existing initial cracking & inherent damaged conditions as well as its cracks & damage, further accumulates and expanses, which lays a foundation for the fissures & breakage ; the surface layer - as the uneven pavement brings about interaction between spring plates which results in impact on the vehicle load, is the main reason speeding up the fissures in the pavement panel

    在荷載作用下,使得已經存在初始和固有損傷條件的路板,其縫和損傷進一步累積和拓展,為路的斷破壞奠定了基礎;表? ?由於路的不平整而引起的車板相互作用帶來車輛運動荷載的沖擊,是加速路板斷的主要原因。
  10. The result showed that the failure of the steel die was mainly attributed to the generation of a large amount of meshy cracks on chromium plating surface

    結果表明,鍍鉻存在網狀是導致模具表出現微縫的主要原因。
  11. The study of surface cracks ream on overlay of hydrogenation reactor

    熱壁加氫反應器堆焊擴展初析
  12. Steel cutting surface or shear surface should have no cracks, slag, stratification and the lack of greater than 1 mm prism

    鋼材切割或剪切應無、夾渣、分和大於1 ?的缺棱。
  13. For the nitrogen - implanted samples, the initiation of crack is greatly delayed, and crack spacing interval is small. the samples prepared by pecvd and piii technologies have been investigated using homemade gas permeation tester. the excellent barrier

    而注入件相對沉積件而言,由於沒有明顯的界,而表現為改性間距小,但沒有完全開,具有優良的耐失效性能。
  14. For the optimization problem of fgms fracture performance, this paper fundamentally studies the fgm coating plate with interface edge - cracks, and establishes the approximate analysis method of the driving force for interface edge - cracks growth - energy release rate. this paper considers energy release rate as objective function and the optimization problem of fgms fracture performance is carried out by the paper mention optimization scheme

    關于梯度材料破壞性能的優化設計問題,本文對含邊界界的平板狀梯度塗進行了初步的研究,建立了邊界界擴展驅動力- -能量釋放率的近似分析方法,以能量釋放率為優化設計目標函數採用本文提出的優化設計方案對梯度材料的破壞性能進行優化設計。
  15. The surface of nickel / plate should be smooth and neat without interlayer, crack, peeling, bubble and foreign substance

    帶材/片材表應光滑、清潔。不應有分、起皮、氣泡和夾雜。
  16. The system can scan stereoscopicly the internal tube of the measured object, the aim is to test the internal flaws of the inspected object, such as crazing, rust - eaten and dropping of electroplated coating

    該系統對被檢測物體內表進行立體掃描,可獲得被檢測物體內壁疵病信息,包括燒蝕積,深度及電鍍脫落積等。
  17. It shows that damage cracks was borne by the prefabricated crack, and the layer which has the large area of prefabricated crack is the damage area of sandstone

    結果表明,含有預制的紅砂巖的損傷演化和的擴展受到預制的影響,破壞從預制尖端起,並且最終破壞發生於含有最大預制
  18. Tile that has applied pure bright technology has a protective layer on its surface , that layer could fill the small pore and crackle on polished tile

    銷售小姐:應用了超潔亮技術的磚的表有一保護,這保護可以覆蓋填補拋光磚表的氣孔和微
  19. In this thesis, the strain - hardening model of contact surface layer, the numerical theories and computational methods for shakedown analyses of contact body are systematically studied and applied to the aero - gear. the mentality is that the effects of the surface hardening and contact fatigue on contact surface layer under cycle contact loading are investigated by using shakedown analysis methods considering in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations

    在國家「航空基金」 、 「總裝預研基金」等課題的資助下,本文以接觸體安定分析與接觸表疲勞萌生壽命預測一般演算法研究為手段,深入、系統研究了接觸體安定分析的數值理論和計算方法,全研究了影響航空齒輪表強化失效的原因並提出了齒輪表強化萌生壽命的預測方法。
  20. Crack generation in laser - clad coatings is the most difficult problem t o be solved before massive application of this technology. in order to seek out effective methods for eliminating or reducing crack generation, we carried out systemic experiments and mechanism analyses on the design of laser cladding materials, the exploration of laser cladding technique, the interaction between laser and materials, the microstructure and properties of the coatings

    針對阻礙激光熔覆技術工業化推廣應用進程的主要問題之一的熔覆問題,為尋求該問題的有效解決方法,從熔覆材料體系的設計、熔覆工藝的探索和規范以及在工藝規范條件下激光與熔覆材料的相互作用關系、塗組織和性能到工件表的最後強化和改性效果,進行了系統實驗研究和機理分析。
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