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- The experimental study shows that the yield surface radius descreases with increasing the cyclic number under the specific strain amplitude and decreases with the incre... 循環(huán)背應力幅值隨單調應變而減小;隨循環(huán)塑性應變幅值增大而增大.
- cyclic loading with constant strain amplitude 等應變幅循環(huán)加載
- Variation of Damping Properties Under Magnetic Field and Shear Strain Amplitude in Fe-Cr-Al Alloys. 高阻尼Fe-Cr-Al合金在磁場(chǎng)和應力場(chǎng)下的阻尼行為
- The degradation of undrained shear strength is related to the cyclic strain and accumulated pore pressure produced by undrained clyclic loading. 并將波浪荷載作用使土樣內孔壓升高，有效應力降低，形成擬超固結現象的理論，應用到土樣不排水抗剪強度衰減與平均累積孔壓之間關(guān)系的分析；
- Uniaxial LCF tests were conducted under strain control at several strain amplitudes in tension-compression cyclic loading. 從而了解基地組織、球墨數多寡及缺陷對低周疲勞性質(zhì)與破壞機構的 影響。
- The results show that internal friction in fatigue process with in situ proton irradiation is strain amplitude dependent. 結果表明，有質(zhì)子輻照的疲勞過(guò)程中的內耗在較大應變振幅下是與振幅有關(guān)的內耗。
- Based on the Coffin-Manson law, the curve was expressed approximately as mean value and in the form of cyclic strain of mean square deviation-curve of life span. 基于Coffin -Manson律 ,將曲線(xiàn)近似表示為均值和均方差循環(huán)應變 壽命曲線(xiàn)的形式。
- In the analysis, the total strain amplitude as well as the rules of accumulative damage are used for the research of the fatigue life. 提出了一個(gè)用于計算非對稱(chēng)循環(huán)載荷下材料低周疲勞壽命的累積損傷模型和方法。
- Nonlinear modulus of rock is function of strain level and strain amplitude.The modulus decays exponentially with ascending of strain amplitude, while increases with strain level increasing. 巖石非線(xiàn)性模量既是所受應變水平的函數，也是應變振幅的函數，模量隨應變振幅的增加以指數形式下降，隨應變水平增加以指數形式上升。
- This research takes a simple cantilever for example, lists its structure dynamics by finite element method and establishes the equation between the load and strain amplitude in the time domain. 本研究以一簡(jiǎn)單的懸臂梁為例,以有限元素分析法列出其結構振動(dòng)方程式,并依此方程式求出外加負載與應變振幅的關(guān)系。
- But at low strain amplitude, its values are less and the change with cycle number is acute, especially for the alloys with low titanium content and low yield strength such as E10 and M10 alloys. 當應變幅較低時(shí)， 合金的塑性應變能較小但變化較大， 特別是塑性較好的E10和M10合金；
- The variation of flow behavior and microstructure of metal materials during cyclic straining was described from the point of view of energy. 從能量的觀(guān)點(diǎn)闡述了金屬材料在循環(huán)變形過(guò)程中性能的變化及其微觀(guān)機制。
- The cyclic tests for 304 stainless steel with solution heat treatment under uni-axial cyclic straining and stressing were carried out systematically. 在室溫下對固溶處理的304不銹鋼進(jìn)行了系統單軸應變與應力循環(huán)實(shí)驗。
- If the energy of original microstructure is higher,it will transfer to the lower energy state during cyclic straining and cyclic softening will occur. 如果原始組織結構的能量較高，則循環(huán)變形過(guò)程中將會(huì )向低能結構轉化，并發(fā)生循環(huán)軟化；相反，則發(fā)生循環(huán)硬化。
- maximum principle strain amplitude 第一主應變幅
- Experimental Research on the HSC Under Cyclic Loading with Specified Constant Large Strain Amplitude 高應變下較高強度混凝土的等應變幅循環(huán)試驗
- This strain of wheat can grow during a cold spring. 這種小麥可以在寒冷的春天生長(cháng)。
- Compression Experiment of Concrete Under Cyclic Loading with Gradually Increased Strain Upper Limit of Large Strain Amplitude 應變上限遞增的混凝土高壓應變循環(huán)受力試驗
- The fatigue cracks initiate and propagate both in a transgranular manner for all the total strain amplitudes under consideration. 碳化物可作為障礙,阻礙疲勞裂紋的擴展,且為主要的二次裂紋策源地;
