斷口形貌 的英文怎麼說
中文拼音 [duànkǒuxíngmào]
斷口形貌
英文
fracture apperance-
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。( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone
（ 4 ）採用掃描電鏡（ sem ）觀察缺口沖擊的斷裂形貌，通過透射電鏡（ tem ）觀察納米粒子和復合納米粒子的分散情況和粒徑的大小；通過超薄切片法研究復合粒子在聚合物基體中的分散性。Abstract : by means of metallographical examination and sem, the microstructure characteristics, macro - and microfractographs of the brittle broken wheel hull bolt of bj212 automobile have been studied. the results show that the thin - headed screw, with excessively deep carbonitriding layer and hardening layer, has less resistance to brittle fracture in the thin area of its head. at the root of the head connecting the stem, a tensile stress may emerge owing to the non - even quenching stress. those are the two reasons for low torque fracture of bolt
文摘:藉助金相、掃描電鏡等手段對低扭矩脆斷的bj212汽車輪殼螺栓的金相組織特徵，宏觀和微觀斷口形貌等進行了研究，結果表明：這種頭部薄的螺栓，滲層和淬透層過深，使頭部薄區脆斷抗力降低，在頭部與桿的根部，由於淬火應力不均勻導致根部產生拉應力，均是導致螺栓低扭矩斷裂的原因。The microstructure, structure, composition, phase of joint region, and the microstructure and composition of fracture have been analyzed using the equipment of metallurgical microscope, sem, eds, xrd and binary eutectic phase diagram for the al - cu system and diffusion theory
利用金相顯微鏡、掃描電鏡、能譜儀、 x射線衍射分析儀，結合al - cu二元合金相圖及擴散理論，分析了接頭區域的形貌、組織、成分、相組成，以及斷口形貌、成分。The effect of intensifier and other conditions on the mechanical properties of composite is studied for the sake of searching the optimal compounding and the optimal technological process. first, a series of composites are manufactured by means of different nonwoven fabric and different resin. the dissimilar methods are adopted including hand molding, vacuum - bag molding and vacuum assistant resin injection
本文在研究非織造布增強樹脂基復合材料的復合工藝、力學性能和破壞機理中，在運用材料學、工藝學、力學和宏觀測試手段的同時，注重採用微觀測試方法，主要採用掃描電子顯微鏡進行測試，觀察了復合材料拉伸斷口的微觀形貌，研究了不同類型的非織造布增強體，不同樹脂和不同工藝條件對宏觀力學性能的影響，從而選擇最佳的增強體和基體的組成、復合條件和工藝，以製成性能最佳的新型材料。The mechanical parameters at high temperatures - reduction in area ( ra % ) and tensile strength ( o b ) are measured by means of gleeble - 2000 thermal simulating machine. fracture surfaces are analyzed by scanning electron microscopy and optical microscopy. the segregation of sn is also examined by auger electron spectroscopy
通過測定試驗鋼種的高溫力學參數（斷面收縮率ra和抗拉強度_ b ） ，觀察金相顯微組織，分析掃描斷口形貌，測試第二相析出物和俄歇能譜試驗等方法，研究了殘留元素sn及冷卻速率對高溫力學性能的影響。Through analysis of the breaking location, shape of breaking section, manufacturing quality and sheave factor of hoisting system, the breaking reason of the drilling wire rope is discussed
通過對鋼絲繩斷裂部位、斷口形貌、製造質量以及游動系統滑輪參數等調查情況進行分析，剖析了鋼絲繩斷裂產生的原因。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 vickers hardness decreases monotonously from ~ 20gpa ( ai2o3 ) to ~ 14gpa ( 19vol. % ni - fe / al2o3 ) with increasing ni - fe content
並結合表面裂紋擴展和斷口形貌，討論了材料增強增韌的機理。The fractorgraphy analysis show that in the layer rich in w and mo, the feature of fracture is brittle fracture which follow the bordline of crystal. in sections rich in the felt metal, the feature of fracture is ductile fracture. in w - mo layer, the feature of fracture are brittle fracture and some ductile fracture
斷口形貌特徵研究表明，富w區、富mo區主要為沿粒界脆性斷裂；粘結金屬發生韌性斷裂； w - mo混合區為顆粒的沿粒界脆性斷裂和粘結相的韌性斷裂的混合型斷裂；富ti區為典型的穿晶解理斷裂； mo - ti混合區以穿晶解理斷裂為主，顆粒邊界表現出準解理斷裂特徵。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。Cross section morphology analysis showed that the fracture appearance of tungsten carbide particle reinforced steel matrix composites was a mixture of quasi - cleavage fracture and toughness fracture. the fracture appearance of tungsten carbide particle always displayed as quasi - cleavage fracture, while the cross section morphology of steel matrix transformed with the heat treatment techniques
斷口形貌分析顯示， wc鋼復合材料的斷口形貌呈韌-脆復合斷口特徵，硬脆的wc顆粒常發生脆性解理斷裂，而韌性較高的鋼基體的斷口形貌則因熱處理工藝而異。The results have indicated that this titanium has a strong ability in superplastic, the fractographics presented big and deep dimple, so the alloy is of high toughness
另外，對tc6鈦合金的拉伸斷口形貌進行掃描電鏡分析。其結果表明，斷口形貌呈現大的韌窩，合金顯示較高的超塑性潛力。By x - ray analysis of the obtained samples the degree of the reaction was researched when the time of ball milling changed. at last the regularity of the metallurgical structure of tial alloy was investigated, when the high temperature changed. the following aspects were accomplished after hot hydrostatic extrusion
熱靜液擠壓工藝:擠壓后，坯料緻密度有了較大的提高;分析了球磨時間跟擠壓力的關系;對ti - al基合金室溫斷裂方式及斷口形貌進行了一定的研究。The test shows that the cooling speed affects the first arm - spacing and the second arm - spacing, and concluded that they are decreased, the fracture fractographies are improved, and the mechanical properties, especially the toughness, is obviously increased while the cooling speed increases
摘要試驗表明，冷卻速度增大，使奧氏體的一次二次枝晶間距縮小，斷口形貌改善；並且可使材質的綜合力學性能，特別是韌性明顯提高。So cr30mo has good corrosion - abrasion resistance in phosphoric acid slurry. based on the analyses of microstructure, mechanical properties, corrosion - abrasion resistances and fracture of cast ferritic stainless steel cr30mo with various carbon content, it can be affirmed that high carbon is advantage to increase steel hardness, but disadvantage to suppress brittleness and increase corrosion - abrasion resistance
對不同含碳量的鐵素體不銹鋼cr30mo的組織結構、力學性能、磨蝕性能和斷口形貌的分析后認為，碳含量增大，對鋼的硬度提高有利，但對鋼的韌性、耐磨蝕性很不利。Analysis on structure and fracture morphology of cast al2o3 al - si alloy composites
合金復合材料的組織與斷口形貌分析The influence of a rare earth oxide on the mechanical properties and high temperature strength of high al - zn base alloy was investigated and the microstructure and the fracture morphology was studied by sem
摘要研究了稀土氧化物對高鋁鋅基合金的力學性能和高溫強度的影響，並利用掃描電鏡觀察了鋅鋁合金的顯微組織及斷口形貌。Aided by impact experiment and fracture analysis, it finds that the impact power of the steels decreases significantly as the nitrogen content increases from 81 10 ^ ( - 6 ) to 98 10 ^ ( - 6 ), and the drop is the greatest at - 40 ~ - 60
通過沖擊試驗性能數據和斷口形貌分析發現，當試驗鋼含氮量從81 10 ^ （ - 6 ）增加到98 10 ^ （ - 6 ）時，試驗鋼的沖擊功大幅度地下降，在- 40 ~ - 60區間上沖擊功下降幅度最大。The cross - sectional morphologies of the samples were studied by sem before and after the fatigue tests. the effects of electric field characteristics and temperature on fatigue behaviors of the plzt samples were systematically investigated by performing a series of experimental measurements
同時，利用sem觀察了疲勞前後試樣的斷口形貌，並系統地進行了電場特徵和溫度對plzt試樣電疲勞性能影響的實驗觀測。分享友人