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- By fatigue test of bolt material,the stress-strain life curve is obtained. 通過螺栓材料的疲勞試驗,獲得了材料的應力應變壽命曲線;
- Conduct material Fatigue Testing and Thermal stress test. 進行材料疲勞測試和熱應力測試。
- The influence of the level of the pretreated short fibre on tensile strength,tear strength,flex fatigue and conductivity of the acetylene black filled VMQ/EPDM blend vulcanizate was studied. 研究了預處理短纖維用量對乙炔炭黑填充甲基乙烯基硅橡膠(VMQ)/EPDM共混硫化膠拉伸、撕裂、耐屈撓疲勞和導電性能的影響。
- Based on the program load spectrum, intensified fatigue test for rearaxleare made. 在編製程序載荷譜的基礎上,對後橋殼體進行了強化疲勞試驗。
- The method of correlation factor is an effective method to loads transacting of the fatigue test of airplane structure. 相關係數法是一種有效的飛機疲勞試驗載荷處理方法。
- In order to overcome such problem, a new technique named as VFT (Virtual Fatigue Test) has been offered in this paper. 為了克服這兩個難點,論文提出了基於虛擬樣機理論的「虛擬疲勞試驗」技術。
- Fatigue test is done on medium carbon steel specimens with small surficial pre-cracks and single-edge pre-cracks. 採用帶有微小表面預製裂紋和邊緣預製裂紋的中碳鋼試驗片進行了疲勞實驗。
- The piston rod of family sedan's rear snubber fractured duringearlier stage of rotary bending fatigue test. 家轎后減振器活塞桿在進行旋轉彎曲疲勞試驗時出現早期斷裂。
- Tne formula under given fracture length is verified by fatigue test datas of welded box girder on overhead travelling crane. 並用橋式起重機焊接箱形梁的疲勞試驗數據,對給定裂紋長度時構件疲勞可靠度的計算公式進行驗算。
- Abstract: The piston rod of family sedan』s rear snubber fractured during earlier stage of rotary bending fatigue test. 摘 要: 家轎后減振器活塞桿在進行旋轉彎曲疲勞試驗時出現早期斷裂。
- At present,tuning-folk resonance plate structure is common used in crankshaft bending fatigue test bench in domestic diesel engine industry. 目前,國內柴油機行業普遍使用的曲軸彎曲疲勞強度試驗台架,均採用音叉共振板結構。
- The effect of temperature on cyclic fatigue life and fracture mechanism on 2524-T4 aluminum alloy was studied by cyclic fatigue test,SEM and TEM. 採用疲勞實驗、SEM及TEM等分析測試手段,研究溫度對2524-T4合金疲勞壽命及斷裂機制的影響。
- Metallographic analysis,tension test,fatigue test and SEM analysis were conducted on the TA15 titanium alloy welded joint. 對TA15鈦合金板材電子束焊接試樣進行了金相分析和靜力試驗、疲勞試驗和掃描電鏡(SEM)分析。
- When the fatigue test is carried on the blade of aircraft engine, long-time actuating vibration must be applied to the blade. 摘要飛機發動機葉片進行疲勞試驗時,需對葉片進行長時間激振以完成葉片的疲勞試驗。
- Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 關鍵詞:無鉛焊錫;球格陣列構裝;冷熱循環試驗;動態疲勞試驗;電性分析
- The fatigue test results show that the higher shock impedance of overlays,and the higher laser power density,the greater the increase of fatigue life of aluminum alloy. 疲勞試驗結果表明:約束層衝擊阻抗越大,激光脈衝功率密度越高,鋁合金激光衝擊處理后疲勞壽命的提高越顯著。
- The fatigue test results have also shown the effect of strengthening mechanism and confirmed the presence of a break in the fatigue life curve in age hardened aluminum alloys. 疲勞試驗結果還顯示了強化機制的影響,證實了時效強化合金疲勞壽命曲線的雙斜率的存在。
- All subjects performed quadriceps maximal voluntary contraction(MVC) and fastest speed leg extension with different levels(75%,60%,45% 1RM),and 45% fatigue test to all-out. 受試者實施股四頭肌最大等長收縮、最快速度不同強度(75%25、60%25、45%251 RM)的伸膝動作及45%25的疲勞測試,記錄向心期不同強度的MMG訊號。
- By the new (equivalent) strain equations, M-C(Manson-Coffin)fatigue models of Zr-4 alloy were obtained based on (the strain) fatigue test results of Zr-4 alloy. 由應變等效方法和疲勞試驗結果;得到了Zr 4合金的M C(Man son Coffin)壽命估算模型.
- A simple test will show if this is real gold. 簡單的試驗就能證明這是否是真金。