Acta Metallurgica Sinica (English Letters) ›› 1999, Vol. 12 ›› Issue (4): 340-344.
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H.R.Yang Shenyang University ,Shenyang 110044 ,China
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Abstract: With TEM( Transmission ELectron Microscope),it hasbeen oberved and analyzed thatthe dislocationsarrangementsandthefatigue damageofeutectoid arein weled metals which were loaded at differentfatigueloads and load cycles.The resultsindicated thatthecharacter of fatigue damagein ferritesof welded metalsisthedislcationsarrangementchange and ieutec toidsof welded metalisthebroken cementites.This may be produced microcracks.
Key words: fatigue load, weled butt jiont, TEM observe, dislocation arrangement, crackinitiation
H.R.Yang Shenyang University ,Shenyang 110044 ,China. STUDY ON DISLOCATION STRUCTURES IN WELDED METALS UNDER FATIGUE LOAD[J]. Acta Metallurgica Sinica (English Letters), 1999, 12(4): 340-344.
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