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- All of these tests are used to detect surface crack discontinuities. 所有這些測試是用來(lái)檢測表面裂縫不連續性。
- No stress measurements or crack surface samples were available for examination, only the surface crack configuration. 沒(méi)有應力測量或裂紋表面取樣可用于檢驗，只能依據表面裂紋圖形。
- A study of the surface crack at thread root of tool joint pins by the aid of finite element method. 石油鉆桿公接頭螺紋牙根部表面裂紋有限元計算
- Surface crack on teethclamp was studied by means of macroscopic and metallographic examination. 采用外觀(guān)和金相檢驗等方法對牙鉗表面裂紋進(jìn)行了分析。
- The exterior surface crack is the most dangerous among crack defects of oil thimble. 套管裂紋缺陷中最危險的是表面裂紋,可分解成表面周向裂紋和表面軸向裂紋問(wèn)題。
- During damage tolerance analysis, the probably crack types of key danger position are surface crack and edge angle crack in this article. 在損傷容限分析中，本文認為關(guān)鍵危險部位可能萌生的裂紋形態(tài)為表面裂紋與棱邊角裂紋；
- Solving the corresponding differential equation, an analytical solution for the surface crack width of concrete covers is derived. 通過(guò)求解相應的微分方程，導出混凝土保護層表面裂縫寬度的解析解；
- DEVELOPMENT OF TUNGSTEN ELECTRODE CRACK DETECTOR 鎢極裂紋探測儀的研制
- There are four kinds of concrete appearance quality limitation:surface crack,surface dilapidation,asymmetry color and tendon-leakage. 砼外觀(guān)質(zhì)量的缺陷大致有:表面裂縫;表面破損;表面顏色不均勻:表面漏筋四方面,闡明了結合不同情況提出應采取的處理方法。
- portable eddy-current crack detector 便攜式渦流探傷儀
- Fatigue surface crack will initiate along the weld toe when tubular KK-joints in offshore platforms are subjected to cyclic loading for a long time. 摘要海洋平臺中的KK管節點(diǎn)由于長(cháng)期承受循環(huán)載荷而容易在焊縫處產(chǎn)生疲勞表面裂紋。
- demagnetising equipment for magnetic crack detector 磁力探傷器用的退磁器
- This paper analyzes the composition of liquid steel on the high - temperature mechanical property of steel and longitudinal surface crack of CSP slab. 從鋼水成分影響鋼的高溫力學(xué)性能的角度,研究鋼水成分對鋼的高溫力學(xué)性能和CSP薄板坯表面縱裂的影響。
- It was concluded that this defect is not surface crack indeed,but cross extruded wrinkle rising from inhomogeneous deformation. 發(fā)現這種缺陷實(shí)際并非表面開(kāi)裂，而是由于變形不均勻造成的橫向擠壓皺折。
- For surface crack in pipe, this paper presents the finite element model including line spring element that is used for J integration calculation,as well as numerical examples. 對管道上的表面裂紋采用線(xiàn)彈簧單元,建立了裂紋管道J積分計算的有限元模型,給出了J積分的計算實(shí)例。
- The prediction of geometric features of surface crack propagation under quasi-static loading is recognized as one of the attractive projects in LBB assessment. 表面裂紋準靜態(tài)擴展的幾何形貌變化規律的預測是破前漏(LBB)評判十分重要的課題之一。
- Based on the underground of high efficient CC in Ma steel,the longitudinal surface crack and centerline crack,the uppermost defects of beam blank CC production are studied. 本文針對馬鋼異型坯高效連鑄的背景,分析了異型坯生產(chǎn)中鑄坯質(zhì)量的主要缺陷類(lèi)型:表面縱裂和中心裂紋。
- The BIE method computer program, presented in this paper, can be accurately used for the elastoplastic fracture analysis of edge crack or long surface crack in various structural components. 本文提供的邊界積分方程法計算機程序,可較精確地用于各種結構的邊裂紋或長(cháng)表面裂紋的彈塑性分析及裂紋尖端張開(kāi)位移的計算,從而可對這些結構進(jìn)行斷裂分析。
- After that , we make with CDF drawing by interrelated formula and simulate the model of X56 pipeline with surface crack by finite element software ANSYS, then, we compute J integral of crack tip . R阻力曲線(xiàn)確定熱影響區和焊縫金屬分別具有的斷裂韌度,根據相關(guān)的公式做出CDF評定圖,應用有限元軟件ANSYS模擬含表面裂紋的X56海底管線(xiàn)模型,并計算裂紋尖端的二維J積分值。
- The paper presents the design criteria and method for arresting crack and burst of the internal pressured vessels of big pipes with circular surface crack by arched strip and wound wire. 本文介紹了含有表面環(huán)向裂紋的內壓簡(jiǎn)體及大型管道采用軸向加弧形務(wù)板與鋼絲纏繞的止裂、抑爆設計原則及設計方法。
