fatigue specimen 中文意思是什麼

fatigue specimen 解釋
疲勞試片
  • fatigue : n 1 疲乏，勞累；勞苦；累活。2 【機械工程】（金屬屢經打擊等后的）疲勞。3 【醫學】（組織、器官等對...
  • specimen : n. 1. 樣本，樣品，實例，例子；標本；雛形。2. 供檢查用的材料，試料。3. 〈口語〉怪人。
  1. According to the characters of shimadzu electro hydraulic servo controlled fatigue testing machine and ct specimen, put forward a method based on compliance of stroke displacement which reflects the displacement of loading point at first time

    本項研究根據島津液壓伺服材料試驗機和ct試樣的特點，首次提出了基於通過測量反映加載點位移的試驗機活塞位移的卸載柔度法來測量裂紋長度。
  2. For fatigue life cycles test, when the reaction film resides at the area near the surface of specimen readily to initiate crack, and the fatigue life cycles were greatly deteriorated

    在拉伸性質方面，試棒在相同應變速率下，試棒中反應膜面積率越多對試棒的拉伸強度及延伸率的影響越嚴重。
  3. 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。
  4. Studies on the fatigue crack propagation rate ( fcpr ) indicate that load ratio ( r ) has a great effect on the fcpr : the greater load ratio is, the higher the fcpr becomes, and the lower kth shows. compared with load ratio, the thickness of the specimen has a lower effect on the fcpr

    對鎂合金的疲勞裂紋擴展特性的研究表明：載荷比r對鎂合金az91 ， am50裂紋擴展行為具有很大的影響。 r值越大，裂紋擴展速率越高，疲勞門檻值k _ （ th ）越小；試樣厚度t對鎂合金az91 、 am50穩態裂紋擴展速率的影響沒有r值那麼明顯。
  5. 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。
  6. Fatigue tests were carried out on the limited width specimen with center - hole

    摘要對有限寬中心帶孔拉伸試樣進行疲勞試驗。
  7. At room temperature, the fracture for r specimen is the characteristic of fatigue stripe, while tire - like pattern appears on the fracture of the t specimen, and the hydrided sample is characterized by skeleton - like pattern and quasi - cleavage fracture at room temperature. however, the fracture characterized by second - crack at 400

    常溫下， r向試樣的低應變幅疲勞斷口上較為明顯的特徵是疲勞條紋的存在; t向試樣的疲勞裂紋擴展區斷口上則為輪胎痕花樣;滲氫態試樣室溫下疲勞斷口的主要特徵為脊骨狀花樣和準解理斷裂特徵。
  8. 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。
  9. Fatigue test indicates that strain multiplier have not been damaged for fatigue in the service life of fatigue life gage, fatigue response of fatigue life gage can be derived from the strain amplitude equal to specimen strain multiplied by amplification coefficient of strain multiplier

    疲勞實驗研究表明，在疲勞壽命計工作壽命內，應變倍增器無疲勞破壞情況，疲勞壽命計疲勞響應可由靜載標定放大倍數乘試件表面應變后所對應的等幅應變值得到。
  10. Study on the fatigue properties of the ta15 titanium alloy plate and electron beam welding specimen

    15板與電子束焊接疲勞特性研究
  11. The oscillation of fatigue factors have much effect on small strain amplitude fatigue life, and the less the strain amplitude, the less the effect. as for notched specimen, the fatigue life prediction using fatigue factors of half - life section is the smallest

    5時，採用7 10壽命階段的疲勞特性參數預測結果與實測值的一致性更好；對于缺口疲勞試樣，則採用半壽命階段的疲勞參數的預測結果為最小。
  12. The results showed that most multiaxial fatigue cracks were initiated and propagated along the direction of maximum shear plane or on the direction perpendicular to the tubular specimen ' s axis

    研究表明，多軸疲勞裂紋主要是沿最大剪切平面或垂直於管形試樣的軸線方向擴展。
  13. The abilities of resisting the incubation of fatigue crack in ast101a and alti101a were tested with the high - cycle fatigue method. a method combining the maximum likelihood estimation method with the correlation coefficient method was suggested to analyze the fatigue life experimental data some of which were incomplete. the s - n curve and p - s - n curves were presented, and the influence of the loading history and the defects in specimen on fatigue life was discussed

    通過高周疲勞測試方法研究了ast101a和alti101a抵抗疲勞裂紋萌生的性能，把最大似然法和相關系數法結合起來處理不完全疲勞壽命數據，給出了ast101a的s ? n曲線、 p ? s ? n曲線和疲勞極限，討論了加載歷史、缺陷等對疲勞壽命的影響。
  14. The results of tests show that these reinforcing measures can prolong the fatigue life of the specimen to more than twice times. it is found there exists one arch effect in the specimen owing to the lateral restraint, and it makes the phenomenon of apa specimen cracking indistinct

    同時，關于apa粱式試件疲勞損傷斷裂過程的模擬分析發現，由於apa梁式試件兩側的側向約束，在試件內產生一種所謂的拱形效應，導致apa試件斷裂現象不顯著。
  15. We have analyzed the effect of geomagnetic field and testing environment of fatigue specimen magnetic memory testing signals and the changes of specimen from integer to parting on the basis of the mechanism of magnetism effect

    摘要根據磁效應機理，分析了地磁場和檢測環境對疲勞試件磁記憶檢測結果的影響，以及試件斷裂前後磁記憶檢測信號的變化。
  16. Plain bearings - bearing fatigue - part 2 : test with a cylindrical specimen of a metallic bearing material iso 7905 - 2 : 1996

    關節軸承.軸承疲勞強度.第2部分:用金屬軸承材料圓柱
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