試樣斷面 的英文怎麼說
中文拼音 [shìyàngduànmiàn]
試樣斷面
英文
sample section- 試 : 名詞(古代占卜用的器具) astrolabe
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 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...
- 斷面 : section; fracture surface; plane of fracture
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The tensile strength and young ’ s modulus of cf / ep specimens before and after vacuum thermo - cycling were measured by an electrical universal material testing machine. an electron scanning microscope was used to perform the surface morphology and fractography of specimens
真空熱循環試驗前後cf / ep層合材料的拉伸性能由電子萬能材料試驗機完成,本文利用掃描電鏡觀測試樣表面形貌和拉伸后的斷口形貌。The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature
本文以高聚物粘結炸藥為研究對象,對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ ( ic )的計算等方面進行深入研究,建立了較為完善的炸藥平面應變斷裂韌度測試方法。In the last part of this thesis, we introduce the component and function of test system, and focus on how to develop the test system in details, include up layer application and device driver, from analyzing to coding. we explain how to develop the gui of test system using photon application builder ( phab ) tools, communicate among processes and schedule the multi - tasks. we also introduce the development of device driver under qnx, include programme of the interrupt handler, management of hardware resource and interface between application and device driver
首先,以真實的圖形界面為基礎,詳細介紹了測試軟體界面部分的樣式、功能和使用;在此基礎上,進一步介紹了測試軟體編寫中的一些技術細節,如如何使用phab開發圖形界面、如何進行多任務調度、如何進行進程通訊等;最後詳細地介紹了在qnx下驅動程序的開發包括中斷處理函數的編寫、系統硬體資源的管理以及驅動程序與測試程序的介面。In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete
論文第二章為凍土斷裂力學的基本理論,包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等,給出了凍土斷裂韌度k _ ( c ) 、 k _ ( c ) 、 -型復合斷裂測試的基本原理及試驗方法,並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ ( c )尺寸效應系數,為後面的工作提供理論基礎。Application of specimen double cantilever sandwich to the study of interfacial fracture toughness of rubber composites
用雙懸臂夾層梁試樣研究復合材料與橡膠粘接界面的斷裂韌性Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )
寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號,用掃描電子顯微鏡( sem )觀察了試樣的幾種典型的損傷破壞斷面,對比分析了不同類型的損傷機制。Sem investigation shows that all the crack initiations can be traced back to the lateral sides of the sample, and the crack propagates along the direction normal to the loading axis
Zr一4合金的低周疲勞斷口上,所有裂紋都起源於試樣最窄處的側表面,並逐漸向內部擴展。The in - situ xrd results obtained during an electric fatigue process revealed that the numbers of a domain kept increasing, while those of c domain decreasing with the increase of the fatigue number ( n ) after the end of each fatigue cycle
電疲勞過程中原位xrd觀測結果表明,隨著電疲勞次數n的增加,在每個循環結束后試樣表面a疇不斷增加, c疇不斷減少;在外電場作用下該材料發生a c疇的90疇變的能力不斷惡化。Standard practice for fracture testing with surface - crack tension specimens
用表面破裂張力試樣做斷裂檢測的標準實施規范There is a slight drop of the fcpr when the specimen s thickness increases. however, the thickness of the specimen exerts a great influence on kth and fatigue life ( n ) : the thicker specimen is, the higher fatigue life ( n ) becomes, and the greater kth shows. under control of the same conditions, the fcpr of am50 is not so high as that of az91. there are some correlations between load ratio ( r ) and the fatigue surface : when load ratio becomes great, small flat surfaces increase while dimples decrease
試樣厚度增大,穩態裂紋擴展速率略有減小。但是,試樣厚度影響試樣的疲勞壽命和門檻值:試樣越厚,疲勞壽命越長,門檻值越大;在試樣尺寸和加載條件相同的情況下, am50的疲勞裂紋擴展速率較az91小,疲勞壽命則比az91長。載荷比r影響試樣的斷口形貌:載荷比r越大,對應相同k值出的斷口小平面越多,韌窩越少。The paper is an attempt to put forward fitting julyk distribution curve by statistic histogram curves fitting based on area constraint and to estimate whether sample data meet normal distribution or not
摘要提出利用基於面積約束的統計直方圖密度擬合方法把試捲成績樣本數據擬合成一條連續的曲線,並判斷樣本數據是否符合正態分佈。The cracks extend along the matrix / strengthening - phases interfaces and form the cleavage steps and tear ridges. there appear some very small dimples on the fracture surfaces of the directionally solidified samples, which come from the nb - based solid solution particles in the big plates of the strengthening phases, but no dimples on the fracture surfaces of the as - cast sample. it can be concluded from above results that niobium - niobium silicide based in - situ composites ( rmics ) with a uniformly orientated microstructure can be produced by the ebfzm with high temperature gradient, and their mechanical properties can be increased
隨著抽拉速率的提高和硅化鈮強化相間距與尺度的減小,材料的室溫拉伸強度和斷裂韌性均有提高, _ b最高可達778 . 4mpa , k _ ( ic )達到了46 . 3mpa ? m ~ ( 1 / 2 ) ;試樣的拉伸斷口基本表現為脆性解理斷裂的花樣,裂紋沿基體強化相界面繞過強化相進行擴展,在裂紋擴展方向存在解理臺階,並形成撕裂棱。The relative density of the sample has reached as high as 97. 4 % of fully dense. the mean micro hardness has reached hv496. 3. the fractography of the fracture section of the tensile sample was characteristic of dimple typically which indicated that the fracture belong to ductile fracture
;試樣相對密度可以達到理論值的97 . 4 ;硬度方面由於激光立體成形工藝的特點,最後幾層的硬度比開始時的高,平均硬度達到了hv496 . 3 ;拉伸試樣的斷口形貌具有典型的韌窩特徵,屬于延性斷裂。The fracture surfaces of multiaxial fatigue specimens under proportional and non - proportional multiaxial loadings were observed and analyzed by using a scan electron microscope
摘要利用掃描電鏡對多軸比例和非比例載下的疲勞試樣的斷口面和外表面進行掃描觀測分析。Compared with the traditional method, the digital image processing method has many advantages in measuring the deformation of soil specimen in triaxial test, such as higher accuracy, non - contact measuring process, and undisturbed specimen. it is valid to measure the deformation in large scale. it can select the section of specimen freely to measure the axial and radial deformation directly
應用數字圖像測量技術量測三軸試驗試樣的變形,有許多傳統測量方法不能比擬的優越性:較高的變形測量精度;非接觸式變形測量,不擾動試樣,不干擾試樣的變形;適用於三軸土樣的大變形測量;可以任意選擇測量斷面,實現三軸試樣軸向變形和徑向變形的直接測量;可以在試樣變形測量的同時用圖片的形式記錄三軸試驗的全過程,便於試驗結束以後對試樣變形的重新分析和研究。Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion
本文基於斷裂力學原理,推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ ( 10c )之間的關系,給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則,並用有機玻璃板材加工了兩種型切口試樣,進行了實驗驗證。Based on the hot tensile test results, there exists a cooling rate at which a minimum reduction in area occurs and the hot ductility of the sn - doped steel is worse than that of the sn - undoped steel. when the cooling rate is lower or higher than 10 / s, the hot ductility is increased
連續冷卻到750 800范圍內拉伸時,存在一個冷卻速率( 10 s ) ,以這個冷卻速率進行冷卻,試樣的斷面收縮率最小,熱塑性最差;當冷卻速率大於或者小於這個冷卻速率時,試樣的斷面收縮率均會增大,熱塑性增強。This paper sets about studying room - temperature fracture mechanisms of tial - based alloys of fully lamellar and duplex microstructures through the measurements of mechanical properties, in - situ observations of fracture surfaces and finite element method ( fem ) calculations, the measurement of macro - parameters, the observations of fracture surface and fem calculations on notch specimens ( 4pb ) and pre - crack specimens ( 3pb ), detailed observations of configuration changes at pre - crack tips in metallographic cross sections of specimens unloaded at various applied loads and fem calculation
本文通過光滑試件機械性能的測定,原位拉伸試件的表面觀察、相應的斷口觀察及有限元計算;缺口彎曲宏觀參數的測定、斷口觀察及其有限元計算;裂紋彎曲參數的測定、裂紋卸載試樣剖面的觀察及其有限元模擬與計算研究了tial基合金全層組織和雙態組織的室溫斷裂機理。434 we shall take the sample to test its physical properties ( mechanical properties, tensile strength, yield point, percentage elongation, reduction of area, impact value, brinell hardness )
我們將取樣試驗其物理性能(機械性能、抗張強度、屈服點、延伸率、斷面收縮率、沖擊值、布氏硬度) 。The properties of pvc / acr blends, such as notched impact strength, tensile strength and flexural strength, were determined. sem was employed to examine the fractured surfaces of pvc / acr blends
我們將合成的acr與pvc共混,測試了改性后pvc材料的抗沖擊性能、拉伸性能和彎曲性能,並用掃描電鏡觀察了沖擊樣條斷面的形貌特徵。分享友人