拉伸試樣的 的英文怎麼說
中文拼音 [lāshēnshìyàngde]
拉伸試樣的
英文
tensile-
4. the principle of the experiment including the isdg method is introduced. and the effect of shape and distance of the indention on strain measurement is analyzed
4 )介紹試驗設備的組成及試驗原理,通過理論推導和有限元數值模擬分析了拉伸試樣的凹痕標記對應變測量的影響,對isdg ( interferencestrain displacementgauge )方法進行了深入的研究。The structure of the deformation bands was observed and photographed by a microscope with a camera accessory. a user material mechanical behavior ( umat ) subroutine was developed based on the crystal plasticity model, and with it, the anisotropic elasto - viscoplastic behavior in single crystals was described. slip systems " evolution was simulated by using finite element method with the subroutine
本文使用數值模擬的方法對[ 001 ] 、 [ 011 ] 、 [ 111 ]以及偏軸加載的多種取向試樣進行了拉伸試驗模擬和循環模擬,研究了不同取向的試樣在加載過程中滑移系的演化情況,並對試樣的宏觀力學行為和細觀機理進行了評述。Standard practice for preparation and use of direct tension stress - corrosion test specimens
直接拉伸應力腐蝕試樣的制備和使用Method of determining the tensile strain hardening exponent for metallic sheet and strip
測定金屬薄板材和帶材用拉伸應變硬化試樣的試驗方法Quite notable { 11 22 } twins with the appearance of strip piercing through lamellar colony were found in the tensile microstructure of ct20a alloy by tem analyzing, while no deformation twinning was found in the microstructure of alloy with high oeq
Ct20a合金低氧當量拉伸試樣的tem組織中有相當數量的{ 11幾}型孿晶存在,孿晶在形貌上表現為穿過幾個片的細條。高氧當量試樣中沒有觀察到變形孿晶的存在。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。Contents of re have an effect on the tensile mechanical properties at high temperature to some degree. proper amount of re can improve b & 0. 2 apparently and 5 a little, because re can form compounds of good thermal stability with magnesium, which can be effectively strengthened by heat treatment
試樣中稀土的含量影響試樣的力學性能指標_ b (抗拉強度) 、 _ ( 0 . 2 )和延伸率:適量的稀土可顯著提高_ b 、 _ ( 0 . 2 ) ,並一定程度上提高其延伸率,這是因為稀土與鎂可形成本身熱穩定性非常好的化合物,並且可時效強化。The tensile deformation behavior of the ufg resultant steel is characterized by the absence of strain hardening
Ecap變形試樣的拉伸曲線沒有顯示明顯的加工硬化。Corrosion of metals and alloys - stress corrosion testing - part 4 : preparation and use of uniaxially loaded tension specimens
單軸加載拉伸試樣的制備和應用According to the special shape of the irradiation monitoring pipe, the semicircle - shaped tensile samples are designed
摘要根據輻照監督管的特定形狀,設計了半圓形標?拉伸試樣。Corrosion of metals and alloys - stress corrosion testing - preparation and use of uniaxially loaded tension specimens
金屬和合金的腐蝕.應力腐蝕試驗.第4部分:軸向載荷拉伸試樣的制備和使用Corrosion of metals and alloys. stress corrosion testing. part 4 : preparation and use of uniaxially loaded tension specimens
金屬和合金的腐蝕.應力腐蝕試驗.第4部分:單軸載荷拉伸試樣的制備和使用On the basis of macroscopic simulated results, polycrystal model including grain boundary zones was established to model the mesoscopic processes
在宏觀模擬結果基礎上,通過建立包含晶界影響區的多晶模型,對宏觀拉伸試樣頸縮微區的細觀變形過程進行了數值模擬分析。The results showed that the partial liquid phase was one of the main reasons for the premature fracture of the material during high temperature tension over 518
結果表明:局部液相是導致該復合材料在518以上高溫拉伸試樣過早斷裂的主要原因之一,為該材料超塑成形工藝參數的確定提供了參考依據。Above analysis can provide instructions for grain boundary design and controlling in grain boundary engineering. dynamics intergranular fracture process is modeled with considerations of grain boundaries damage
通過考慮晶界損傷,進一步對拉伸試樣破壞單元的動態沿晶斷裂過程進行了數值模擬分析。The thickness is only 200um, and the width of the test part is 300u. m. it is first time nationally to use such a small specimen to measure mechanical properties of materials with uniaxial tension test
本文採用的拉伸試樣,厚度只有200 m ,試驗段寬度為300 m ,對如此微小的試樣進行單軸拉伸試驗以得到其應力應變曲線在國內還是首次。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。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。The results show that the fracture character of tensile samples with high bond strength is ductile rupture, and the yielded strength and rupture strength are higher than the corresponding values of samples with the conventional processing methods
結果表明,所制備的金屬拉伸試樣結合強度高,表現為韌性斷裂,其屈服強度與斷裂強度高於相近成分下常規加工方式所加工試樣的相應值。In order to accomplish the main targets, the following jobs were done : the annealing of ct20 alloy tube at 6 different temperatures was carried out and the specimens with different microstructure were tested at room temperature ( rt ) and 20k. the tensile fractures were analyzed by means of sem and tem. the c t20a alloy specimens with 3 kind of oxygen equivalent ( oeq ) were prepared, and the tensile properties at rt and 20k, the impact toughness at rt and 77k were tested
為了研究顯微組織和間隙元素含量變化對兩種合金低溫塑韌性的影響,研究中主要作了如下工作:對ct20合金管材進行了六種溫度的退火處理,測試了不同組織試樣的室溫和20k拉伸性能,對拉伸試樣取樣進行sem和tem分析;制備出了ct20a合金三種氧當量實驗樣品,測試了相應試樣的室溫和20k拉伸性能以及室溫和77k沖擊性能,並取樣進行sem和tem分析;在以上工作的基礎上,對近鈦合金的低溫塑韌性機理進行了探討。分享友人