高溫疲勞試驗 的英文怎麼說
中文拼音 [gāowēnpíláoshìyàn]
高溫疲勞試驗
英文
fatique testing at elevated temperature- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 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
- 高溫 : high temperature; elevated temperature; hyperthermia; megatemperature; inferno
- 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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Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures
在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。Nowadays, company has been equipped with perfect gas spring assembling lines, microcomputer controlling function testing platforms, fatigue longevity test - beds, high and low temperature function concussion test - beds and sodium fog experiment tables
公司現已配備有性能完善的氣彈簧裝配流水線、微機控制性能測試臺、疲勞壽命試驗臺;高低溫性能沖擊試驗臺、鹽霧實驗臺等專用設備。In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer
本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程,從鋪裝層環境溫度變化范圍、交通量等使用條件出發,在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上,提出了(即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma )的高性能鋼橋面sma鋪裝體系,並對這種sma的組成材料,包括改性瀝青、集料、礦粉、纖維進行了比較研究,設計了這種sma的配合比,對sma混合料的性能進行了對比試驗,對這種sma方案進行了疲勞性能研究,驗證了所選擇sma方案的可行性。In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed
本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上,得到了材料的疲勞強度特性曲線和疲勞壽命曲線,同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究,並通過數值計算方法進行了疲勞壽命評估。The characteristics and shortcomings of high temperature sliding wear testing machine for roll materials in china and a broad were analyzed in this paper
摘要文章分析了國內外軋輥材料高溫摩擦磨損試驗機的特點及其存在的不足,在此基礎上,研製開發了一臺材料高溫滑動磨損與熱接觸疲勞試驗機,並進行了初步的實驗。In international, electric potential is used widely. it is expensive to experiment with the method
高溫環境下疲勞裂紋長度的測量一直是個難題,國際上常用的測量方法是試驗成本較高和電位法。Property test of copper based powder metallurgy material was carried out on high temperature frictional fatigue - testing machine
摘要在高溫摩擦疲勞試驗機上對銅基粉末冶金材料進行了性能測試。The multiaxial cyclic characteristic of gh4169 was investigated for the thin tubular multiaxial fatigue specimen under proportional and non - proportional loading at high temperature
摘要針對拉扭薄壁管疲勞試樣,在控制應變拉扭循環加載下對高溫合金材料gh4169的循環特性進行試驗研究。The result of research enriches the trial method, get the fatigue crack growth laws of four kinds of pressure vessel materials at high temperature. provide a kind of numeric method
本文的研究結果,豐富了試驗方法;得到四種壓力容器材料的高溫疲勞裂紋擴展規律;對疲勞裂紋擴展路徑判定提供一種計算機方法。We conduct fatigue crack growth experiment with four kinds of materials through the method, and get complete date of four kinds of materials " fatigue crack growth at first time. and also gain the laws of these four kinds of materials " at between 25 and 550 separately, that is the coefficient and exponent of paris ' s formula. meanwhile finding out the laws of fatigue crack growth of these four kinds of materials with the temperature changing
採用上述試驗方法對四種材料高溫疲勞裂紋擴展行為進行試驗研究,首次獲得了16mnr 、 21 / 4cr1mo 、 21 / 4cr1mov和316l四種材料較為完整的高溫疲勞裂紋擴展數據,並得到四種材料在25 550溫度條件下的疲勞裂紋擴展規律表達式(即所對應的paris公式的系數和指數) ,找到了這些材料隨溫度變化的疲勞裂紋擴展規律。( 1 ) fatigue crack growth rates of 316l, 2 ( 1 / 4 ) cr1mo and 2 ( 1 / 4 ) cr1mov increase with temperature. the exponent n, in the paris law, da / dn = c ( k ) ", changes little with increasing temperature
試驗溫度條件下奧氏體材料( 316l )與貝氏體材料( 21 / 4cr1mo 、 21 / 4cr1mov )的疲勞裂紋擴展速率隨著溫度的升高而增大,且paris公式中的指數n變化不大。Metal material - twisting fatigue test
金屬高溫旋轉彎曲疲勞試驗方法( 3 ) the fatigue behavior of concrete under uniaxial tension with constant amplitude cyclic loading but high temperatures is investigated based on test results
( 3 )進行了高溫下混凝土在等幅重復荷載作用下的抗拉疲勞性能試驗。Method of high temperature low cycle fatigue testing for metallic materials
金屬材料的高溫低循環疲勞試驗方法Method for high temperature rotating bending fatigue testing of metallic materials
金屬材料高溫旋轉彎曲疲勞試驗方法( 1 ) oxidation on the crack surface of 16mnr increase with temperature. oxidation mainly takes place on the crack surfaces at 150 ~ 300, which it is serious both on the crack surfaces and in the grain boundaries at 425. oxide - induced closure at 150 ~ 300 results in the drop of crack growth rates
鐵素體材料16mnr疲勞裂紋表面的氧化隨溫度升高而增大,在150和300時裂紋表面氧化引進的閉合效應要比晶界氧化脆化更明顯,引起在這個溫度范圍內的試驗疲勞裂紋擴展速率下降。分享友人