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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1997, Vol. 18 ›› Issue (2): 220-223.
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Zhang Baofa, Fu Xiangjiong, Zhou Yuequan
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Abstract:
The tests of crack initiation life under the fighter spectra and crack growth life under the freighter spectra are conducted. The specimens are made from LY12CZ,30CrMnSiNi2A materials for crack initiation life and LY12CZ, 30CrMnSiA materials for crack growth life. The factors which influence life, such as truncation of high loads, omission of low amplitude cycles, load sequence, and different spectrum shapes,are discussed. Some significant conclusions are obtained.
Key words: random spectrum, crack initiation life, crack growth life, truncation of high load, omission of lowamp litude cycles
CLC Number:
V215. 5
Zhang Baofa;Fu Xiangjiong;Zhou Yuequan. TESTING RESEARCH OF LOAD SPECTRA OF AIRCRAFT[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1997, 18(2): 220-223.
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