無裂紋的 的英文怎麼說
中文拼音 [wúlièwénde]
無裂紋的
英文
flawless-
A canting jay and a rheumeyed curdog is all their progeny. pshaw, i tell thee ! he is a mule, a dead gasteropod, without vim or stamina, not worth a cracked kreutzer
他是一頭騾子,一個死了的軟體動物:既無精力,又無體力,連一枚有裂紋的克婁澤301都不值。The most important conclusion reached in this study is that cracking begins regardless of the initial loading nucleation time.
這個研究最重要的結論是:裂紋的開始與初始載荷成核的時間無關。High - quality coral is of an even colour and free of cracks, blotches, striations and holes
優質的珊瑚會顯現出均衡的色彩及無裂紋無班點無紋里或無蛀洞。The study indicate that the surface form has no effect on kl, but has obvious effect on kll, and will affect the breaking angle and mode ; in finite plate, the boundary condition has effect on the sif and the k is bigger than in infinite plate ; the effect of the distance and the angle between cracks are all have obvious effects on the multiple crack interaction, and the interactions between cracks also have obvious effects on the sif, which can be neglect only when the distance is bigger enough
研究表明:裂面狀態對k _的大小沒有影響,而對k _的影響卻很大,相同應力條件下,裂面狀態會影響裂紋的開裂角和開裂方式;有限板的邊界對應力強度因子有一定的影響,其k比無限板中的k略大;裂紋間的距離、夾角等因素對裂紋間的干涉效應均有較大影響,裂紋間的干涉效應對應力強度因子的影響非常顯著,只有當裂紋間的距離充分大時,干涉效應才可忽略。Under the complex loadings, the surface flaws of large complex structures and the original defects of materials would initiate the propagation of micro three - dimensional ( 3d ) cracks, and result in catastrophic accidents. for the limitations of the traditional theories of two - dimensional cracks, the safety of actual structures containing 3d cracks cannot be guaranteed completely without the out - of - plane stress constraint
復雜應力作用下,宏觀復雜結構表面加工質量和材料本身固有缺陷以及外來損傷等會引起三維裂紋的萌生、擴展,最終導致災難性的破壞,而傳統二維裂紋理論在解決實際三維裂紋問題時出現不足,無法完全保障結構安全。The reheating embrittlement of a crack - free steel during post - welding heat treatment
無裂紋鋼的焊后熱處理與再熱脆性This paper, firstly, introduces some basic nondestructive tests, shows the background of the subject about the test for the defect of sucker rod, by comparing with the other nondestructive tests, proves the advantage of eddy - current test, then beginning with maxwell equation in electromagnetic field theory and combining with the idea model of defect, this paper proves that the feasibility of eddy - current test technology in multi - parameter and multi - frequency which applied in the test for for the defect of sucker rod
本文首先介紹了無損檢測技術的幾種典型方法,並給出了抽油桿裂紋檢測這個課題的背景,通過同其它幾種無損檢測技術的比較,給出了電渦流技術的優越性。然後從電磁場理論中的麥克斯韋方程出發,結合裂紋的理想模型,從理論上證明了電渦流多頻率多參數檢測技術在抽油桿裂紋檢測中的可行性。Not a timely manner to facilitate the dissolution of auto parts fault detection, vulnerability directly on the surface of metal parts nondestructive testing of the fatigue crack, stress corrosion, crack, crack, etc. folded through " sound ", " light " emergency instructions crack site to the maintenance staff promptly eliminate hidden dangers and guarantee the exercise of automotive safety
及時方便不解體檢測汽車部件故障,直接對易損金屬部件表面進行無損檢測,對出現的疲勞裂紋,應力腐蝕、裂紋、折疊裂紋等、通過「聲」 、 「光」報警指示裂紋的部位,以使維修人員及時排除隱患,保證汽車安全行使。The existence of original flaw leading to early destroying of structure could not be predicted by traditional fatigue designing method of steel structure of crane. so it was inevitable that the cranes that were designed according to this method had hidden dangers. many great steel - making plants were worrying about the serving cranes that were bought in the 70 ' s
由於起重機鋼結構中初始裂紋的存在而導致的結構早期失效用傳統的起重機鋼結構疲勞設計方法是無法預測的,因此這種按傳統方法設計出的起重機就難免會存在一些事故隱患,我國大型鋼鐵企業在七十年代購買並使用至今的大批起重機都有此顧慮。Steel cutting surface or shear surface should have no cracks, slag, stratification and the lack of greater than 1 mm prism
鋼材切割面或剪切面應無裂紋、夾渣、分層和大於1 ?的缺棱。Good jade expected, the texture should be fine, dense and hard - white tendons ( white stringers ), the impurities, no crack
好的玉料,質地應細膩,緻密堅硬,無白筋(白色細脈) ,無雜質,無裂紋。" second, jhe failure process of lpg vessel usually includes two phasest the crack formation and the crack propagation. after the temperatat field distribution and the iil. stress field distribution of lpg vessel without cracks are calculated, the stress intensity factor of lpg vessel with initial radial crack as well as surface crack are calculated and analyzed
其次,液化氣容器的失效過程通常分為裂紋形成和裂紋擴展兩個階段,本文在對無裂紋液化氣容器的瞬態溫度場和應力場進行了計算后,對含有初始表面裂紋的液化氣容器的瞬態應力強度因子進行了計算和分析。The width of stacking fault increased as partial dislocations move forward. in the fracture of 18 - 8 stainless steel, many dislocations were emitted from the crack tip during the early stage of crack propagation and moved forward, and then a dfz was formed between the crack tip and the pile - up dislocations. the dfz is an elastic zone
不銹鋼斷裂時,裂尖首先發射位錯,並離開裂尖向前運動,裂尖前方留下無位錯區,位錯反塞積在無位錯區的端部,無位錯區是應變很高的異常彈性區,隨著裂紋的擴展,無位錯區逐漸發生晶體碎化和轉動。By use of the stress free conditions on crack and the continuity conditions of stress and displacement on ideal bonded material interface, the stress field of an bi - material infinite plate with an elliptical inclusion and a deminfinite interface crack are given on the base of the complex potentials solutions obtained above. and the corresponding stress intensity factor k is given
在該復勢解的基礎上,根據裂紋表面的零應力條件和理想粘接界面上的位移和應力連續條件,通過求解hilbert問題,得到了含有夾雜和半無限界面裂紋的無限大板的應力場,並由此給出了裂尖的應力強度因子k 。3d numerical simulation of finete element method ( fem ) program is used to calculate and analyse the distribution of stress and strain during hydrobulging, the ovality of single - curvature polyhedron after being hydrobulged while the dimension of polar plate of single - curvature polyhedron without the flaw of imaginary crack changes
摘要利用三維數值模擬方法,對假想無裂紋的單曲率多面殼體模型上極板尺寸發生變化時脹形過程中應力應變的分佈、脹形結束后多而殼體的不圓度等進行了計算和比較。Theresults show that the screen - printed ysz electrolyte thin films are dense andcrack - free in both surface and cross section with a thickness of 2 m ~ 30 m
研究結果表明,絲網印刷制備的ysz電解質膜截面和表面均緻密,無裂紋,燒結之後膜厚度為2 m 30 m 。Abstract : the attention has focused on quantifying the capability of nondestructive testing ( ndt ) system for guaranteeing structural safety through damage tolerance analysis. a method of reliability assessment for engine blades ndt is presented, which can determine exactly the probability of flaw detection ( pod ) and assess the probability of flaws missed ( pom ) in the engine blades, as well as control the largest size of the flaws missed at inspections with high probability of flaw detection and confidence level. this method also raises the flaw detection probability and prevents the flight accidents caused by the missed flaws in engine blades
文摘:提出了一種發動機葉片無損檢測可靠性分析方法,利用該方法可以有效地提高葉片中裂紋(缺陷)的檢出概率( pod ) ,並能對裂紋的漏檢概率( pom )進行準確地評估和控制,使因葉片裂紋漏檢而引起發動機故障的可能性降至最低程度,從而確保發動機的安全運行;該方法簡單方便,易於工程實施和應用。Research on quantification of different shape cross section cracks with pulsed eddy current nondestructive testing technology
脈沖渦流無損檢測技術對不同截面形狀裂紋的定量檢測研究The application of wavelet transform and multiresolution analysis to edge detection is analyzed. incorporating with the invariant moments, the paper present a real - time monitoring scheme for image monitor system of the unmanned substations by dynamically detecting the cracks of the porcelain bottles. simulation results and applications show that the method presented is valid and effective
3 )對小波變換和多解析度分析在邊緣檢測中的應用進行了分析和研究,並與圖像的不變矩特徵相結合,出了一種新的基於小波和矩的動念檢測瓷瓶裂紋的實時監控方案,應用於無人值守變電站圖像監控系統,模擬結果和實際應用均證明了該方案的正確性和有效性。The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged
首次探明了碳纖維熱應力物理損傷機制,即碳纖維表面附著的先驅體在高溫下無機化形成陶瓷體,同時伴隨著大的體積收縮,在碳纖維的牽引下,基體的體積收縮以開裂形式出現,裂紋的取向以垂直於纖維軸向為主,由於碳纖維與基體熱膨脹系數失配,致使碳纖維在降溫過程中受到復雜熱應力,引起碳纖維損傷。分享友人