疲勞試驗件 的英文怎麼說
中文拼音 [píláoshìyànjiàn]
疲勞試驗件
英文
fatigue test specimen- 疲 : 形容詞(疲乏; 勞累) tired; weary; exhausted
- 勞 : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 件 : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
- 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
- 試驗 : trial; experiment; test
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Axial load fatigue testing for threaded fasteners
螺紋緊固件軸向載荷疲勞試驗方法A new type of bend moment and torsion co - loaded fatigue testing machine is designed and researched in the paper. a new configuration style and bend moment and torsion ’ s loading style are used in this machine. it can exactly and efficiently test the fatigue performance of shafts while the bend moment and torsion are co - loaded
本文對一種新型的彎扭聯合作用疲勞試驗機進行了設計研究,該試驗機採用了全新的結構型式和彎扭矩的加載方案,能夠精確測試彎矩和扭矩同時加載情況下的軸類零件的疲勞性能,且測試效率較高。Zinc and zinc alloys. fatigue test flat bending of sheet, foil and die cast pieces
鋅和鋅合金.板材箔材和壓鑄件疲勞試驗Threaded fasteners - axial load fatigue testing - test methods and evaluation of results
螺紋緊固件.軸向載荷疲勞試驗.試驗方法和結果評價It is important to evaluate accurately the longevity of the part by advance the efficiency of using ae method on detecting crack in fatigue test
改進及提高聲發射技術對疲勞試驗狀態下的裂紋檢測效率和精度,是準確評估直升機各重要構件壽命的關鍵。Under these approaches, the 1if e of the lower flange connection region between a rib 6 and rib 8 of the front bar of some aircraft are estimated and the fatigue life of simulator of the connection region is experimentally tested and the estimation results and the experimental results are compared
通過用這些壽命估算方法對某型飛機前墻6 8肋段下緣條連接區進行壽命估算與該段連接區模擬試驗件進行疲勞試驗結果分別進行了分析比較。So the tensile fatigue tests of the limited width specimen with center - hole were performed for studying the correlation
所以本文對有限寬板中心帶孔試件進行了拉伸疲勞試驗,用以研究這種相關性。According to the model of structure fatigue damage fractal evolution, the relation between macro - damage variable, fractal damage variable and fatigue life can be found, and the fatigue damage evolution equation of ti alloy tc11 welded joint can be built, and the method of more forecast fatigue damage is given
根據結構疲勞損傷分形演化模型,通過對tc11鈦合金焊接試件的疲勞試驗和疲勞斷口分維數測量,得到了宏觀損傷變量和分形損傷變量與疲勞壽命的關系,建立了tc11鈦合金焊接接頭的疲勞損傷演化方程。給出了進一步疲勞損傷量預測的方法。Specification of classical v - belts fatigue testing machine
普通v帶疲勞試驗機技術條件Specifications for tension - compression fatigue testing machines
拉壓疲勞試驗機.技術條件Specifications for the rotary bending fatigue testing machines
純彎曲疲勞試驗機技術條件Multiple - impact experiment was carried out on the laser coated machine part, and analysis has been made on the test data by orthogonal method
摘要對激光塗層零件進行多沖碰撞疲勞試驗,並用正交方法對試驗數據進行了分析。A resonant machine structure tying the crankshaft on the main bearing is made as the test system ' s pallet. the loading part is a machinery activator driven by motor. the control core is made up by a plc and a pc
系統的控制核心由可以長時間穩定工作的可編程式控制制器( plc )和計算機組成上下位機及若干相關部件構成,它可以有效的保證曲軸疲勞試驗的人機對話能力、試驗載荷的高精度控制和試驗運行抗干擾能力。Wheel tracking test on asphalt concrete beam under several levels of load is carried out by apa to study the fatigue behavior of asphalt concrete material and compare the reinforcing effects of geotextile with that of glass fiber geogrid
本文應用瀝青路面分析儀upa )對瀝青混凝土梁式試件進行多種荷載水平下的往返輪載疲勞試驗,研究瀝青混凝上的疲勞性能,並對比土工布、玻璃纖維格柵的加筋效果。The results of analyzing the fatigue behavior of the specimens in direct tension test, cantilever beam bending test, three point bending test and wheel tracking test by apa show that the fatigue failure regularities of specimens in different tests are different
關于直接拉伸、懸臂梁彎曲、三點彎曲和往返輪載( apa )等疲勞試驗的試件所開展的疲勞損傷分析發現,試驗方法不同,其疲勞損傷破壞規律不同。Firstly, one conventional model of fatigue damage and classical damage mechanics theory are used to analyze the fatigue behavior of asphalt mixture specimens in fatigue tests including direct tension, cantilever beam bending, three point bending and wheel tracking by asphalt pavement analyzer ( apa ). for every type of tests, corresponding fatigue damage model and computational method are set up
首先直接採用一種常用的疲勞損傷演化模型和經典損傷理論,分別對直接拉伸、懸臂梁彎曲、梁式試件三點彎曲和apa往返輪載等多種疲勞試驗開展疲勞損傷分析,針對每類試驗均建立了相應的疲勞損傷模型和疲勞損傷計算方法。Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated
鑒于實際工程中大量存在腐蝕鋼筋混凝土結構承受反復荷載作用,但其力學性能研究不多的問題,本論文進行了銹蝕鋼筋混凝土梁抗彎疲勞試驗,研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土梁抗彎疲勞性能的影響,得出了銹蝕鋼筋的應變與構件疲勞壽命之間的關系曲線,主要研究內容及結論如下: ( 1 )在循環荷載下,混凝土殘余變形基本符合三階段變形規律,力學性能劣化,疲勞損傷積累。In spite of that, the cracks propagate stably in specimens for all types of tests. thus the paris formula can be used to describe the fatigue crack propagation, and the values of fatigue fracture parameters in the paris formula are regressed by using the results of fatigue damage and stress intensity factors computation
盡管如此,不論對哪種疲勞試驗,其試件疲勞裂縫擴展主要表現為穩定擴展,可以運用paris公式描述疲勞裂紋擴展階段,並利用疲勞損傷數值模擬計算結果和裂縫擴展過程中的應力強度因子回歸了疲勞裂縫擴展速率公式中的疲勞斷裂參數。It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability
疲勞試驗數據的離散性,零件和構件加工允許的尺寸偏差,材料中分佈的原始缺陷,以及受載零件危險部位應力響應的分佈特性等,都說明應力和強度以及影響它們的因素都是隨機變量,它們有各自的分佈形式,應該用概率統計理論和方法來處理,才能使疲勞強度在工程中所確定的壽命,成為保證某一概率下的可靠壽命。According to the characteristics of the plexiglas, using the principles of the stress field intensity ( sfi ), a local stress approach for the evaluation of the fatigue life of the plexiglas structures is proposed
根據有機玻璃特點,利用場強法原理,建立了有機玻璃裂紋形成壽命的局部應力估算方法,採用該方法估算得到的玻璃螺栓孔處的疲勞壽命與邊緣連接件疲勞試驗結果吻合較好。分享友人