蠕變應力 的英文怎麼說
中文拼音 [rúbiànyīnglì]
蠕變應力
英文
creep stress-
2. the creep data were processed and analyzed with mathematical method. based on the experimental results, curve of creep rate versus stress and of creep rate versus temperature were curved
用最小二乘法對蠕變速度與應力及蠕變速度與溫度- t的幾組蠕變數據進行擬合,得到相應的方程。It has been discovered that the deformation in the primary creep regime can well described by eqution : - 0 = atm, moreover, the eqution : = a n exp ( - q / rt ) can be used to interpret phenomenally the relationship between the steady - state creep rate and stress, temperature
蠕變的第一階段也就是減速蠕變階段的蠕變變形可用? _ 0 = at ~ m來描述。可以唯象地解釋穩態蠕變速率和蠕變應力和溫度之間的關系。The mechanical creep in photoelastic models is accompanied by a variation with time of the optical effects.
光彈性模型中的力學蠕變,伴隨著光學效應隨時間的變化。Creep specimens ( different braiding structure, surface braiding angle, fibre volume content and under different loads ) were tested, which is the basis of studying their creep behaviors
並對不同編織結構、不同編織角、不同纖維體積含量、不同應力水平的三維編織復合材料試樣進行了蠕變行為測試實驗。Thus the time - stress equivalence principle provides an accelerated characterization technique to evaluate the long - term creep properties of plastic geogrids
時間應力等效原理適用於對塑料土工格柵長期蠕變性能進行加速表徵。Three dimensional braiding preform reinforced resin composite is a new type of advanced composites and used in aircraft and space, transportation, construction, military project, medical treatment and physical education etc. 3 - d braiding composites will subject to long - term tensile force during applied process, which is a long - time creep process
樹脂基三維編織復合材料是一種先進的復合材料,它已經應用於航空、航天、交通、建築、軍工、醫療、體育等領域。在應用過程中,三維編織復合材料會受到長期拉伸力的作用,這決定了它的使用過程是一個長期的過程,因此蠕變性能成為表徵其力學性能的一個非常重要的指標。Because the pipeline system will not rust, corrosion, debris and other issues not readily available broken down to such an extent that almost no repair. prominent anti - stress and creep resistance of a pipeline rupture also guarantee long life
由於管道系統內不會產生生銹、腐蝕、碎片等問題且不易破裂,所以幾乎不需要修理,突出的抗蠕變性及抗應力破裂性還保證了管道長久的壽命。We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss
我們使用有限元分析法,通過建模,計算轉子溫度場、應力場,得到最危險截面,然後對危險截面進行在線監測,計算實際運行中的疲勞壽命損耗和蠕變壽命損耗,為安全經濟運行提供有效監控手段。Accounting for creep and stress relaxation, a long - term life and low cycle fatigue life prediction method for gas turbine engine hot section is established
摘要建立了考慮蠕變和應力鬆弛的航空發動機渦輪葉片等高溫構件的持久壽命和低循環疲勞壽命預測方法。Based on the creep experimental curve, the creep deformation law of silty soft clay of the first marine layer and its constitutive relationship among stress - strain - time is studied in this paper
本文在蠕變試驗曲線的基礎上,研究了天津市第一海相層淤泥質粉質粘土的蠕變變形規律,得出應力、應變、時間三者之間的本構關系。The combustor do n ' t fail if transient rise of temperature field is neglected, the stress field of combustor can n ' t cause gas film wall rupture. 2. combustor ' s creep and relaxation is calculated in steady temperature field, the results show that creep and relaxation is not main reason destroying combustor chamber
對穩態溫度場下的蠕變鬆弛計算表明,高溫下的蠕變鬆弛促使火焰筒的熱應力下降,在所考慮的條件下穩態溫度場導致火焰筒的蠕變變形不是火焰筒破壞的主要原因。Stress fluctuation in creep
蠕變應力起伏The latest experimental results of rock creep were used : the third invariant of deviator stress tensor had greater effect on creep properties ; the stress threshold of lateral creep of rock was 20 % ~ 40 % less than that of axial creep of the same rock
文中應用了課題組近期巖石流變實驗研究的結果:應力偏量第三不變量對巖石蠕變影響顯著;巖石側向蠕變的應力閥值比軸向蠕變應力閥值低20 % ~ 40 % 。Standard test methods for conducting creep, creep - rupture, and stress - rupture tests of metallic materials
金屬材料傳導蠕變蠕變斷裂和應力斷裂的標準試驗方法Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward
從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。In this paper, we take high molecule physics and the damage theory of rheologic material with lacuna as the basic, make the experiment as a mostly measure, take the pmma as a research object, to study the pmma ' s nonlinear viscoelasticity of high polymer. the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress, time and temperature in term of creep and flab
本文以高分子物理學、含缺陷流變性物體的材料破壞理論為基礎,以實驗為手段,以工程中常用的pmma為研究對象,對pmma銀紋破壞的非線性力學行為進行了研究。作者採用顯微技術,對pmma在蠕變或鬆弛條件下,不同應力水平和不同基溫下的pmma銀紋損傷進行了實驗研究。Plastic hollow containner series products adopt high rigidity, anti - transmutation, anti - abrasion, anti - rupture, high - molecule and high density polyethylene as materials. though changing quality, pigmentation and using the international advanced equipments and moulds, puffing plastic hollowly to make up the shape. out products have the quality of high intensity, anti - acid alkali and anti - aging, and have been widely utilized in food, medicine, chemical, petroleum, pesticides and other industries for the external packaging
塑料中空容器系列產品採用剛性大耐蠕變抗磨損及耐環境應力開裂等優點的高分子量高密度聚乙烯作為原料,通過改性著色使用國際先進設備和模具,中空吹塑成型。Room temperature creep and its effect on flow stress in x70 pipeline steel
70管線鋼的室溫蠕變及其對流變應力的影響Using biomechanics methods, through the study of the influence of different injection and maintain period on the expansion efficacy and shrinkage rate of skin, a rapid expansion method with relatively big expansion area is proposed ; biomechanics analysis in vivo is been made on the expanded skin ; comparing the biomechanics property in vitro of the rapid expansion and conventional expansion with different maintaining times, the parameters such as strength, stress - strain relationship, stress relaxation and creep which reflect the characteristic of the expanded skin have been obtained ; making the research of the expanded skin ' s biomechanics changes at different stage after grafting, the long - term and short term diversified regular has been obtained ; making experimental study and discussing the changes in the microcirculation and vessel structure of exceedingly expanded shin, the relationship between survival length of flap and the changes has been gotten
本課題旨在用生物力學的方法通過動物實驗來研究不同注水擴張期和維持擴張期對皮膚擴張量和皮膚回縮的影響,探討有效獲取較大的擴張皮膚面積的快速擴張方法;對擴張皮膚進行在體生物力學特性分析;比較了快速擴張和常規擴張在不同維持期的皮膚離體生物力學特性,得到離體生物力學各參數,如強度、應力?應變、應力鬆弛、蠕變等;為全面了解擴張皮膚在移植后的近期和遠期的變化規律,做了擴張皮膚移植后不同階段的生物力學變化的實驗研究;探討了不同擴張量時皮膚的微循環變化和血管結構變化與皮瓣存活的關系。Study of types of polymers ; fundamentals of viscoelastic phenomena such as creep, stress relaxation, stress rupture, mechanical damping, impact ; effects of chemical composition and structure on viscoelastic and strength properties ; methods of mechanical property evaluation
研究聚合物的類型;基本的粘彈現象比如蠕變、應力松馳、應力斷裂、機械阻尼、沖擊;化學組成和結構對粘彈體和力性能的影響;力學性質的測定。分享友人