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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1990, Vol. 11 ›› Issue (3): 183-187.
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Qin Tieguang
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Abstract: The microstructures of LC4-CS high-strength aluminium alloy in the full-ageing state and during heating up to 300℃ were studied by high-voltage TEM.The parameters of microstructure in situ at different temperatures were calculated, and the corresponding mechanical properties and the stress-corrosion resistance were measured also.It has been proven that using the instantaneously rapid heating and cooling the grain boundary precipitation and precipitation within the matrix in different stages of ageing can be controlled.The optimum combination of properties can be obtained through reageing.
Key words: in situ observation, instantatneously rapid heating, grain boundary precipitation
Qin Tieguang. IN SITU OBSERVATIONS OF MICROSTRUCTURE OF HIGH-STRENGTH ALUMINIUM ALLOY AT HIGH TEMPERATURE[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1990, 11(3): 183-187.
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