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- W2357103007 abstract "The tensile strength and low-temperature impact of three kinds of Q420 angle irons with different composition were carried out,two results of them were taken as a contrast to another.The testing results and theirmicrostructure show that the one with a higher vanadium content and smaller crystal grain has a high strength.The other with different finishing temperature was tested to study the influence of finishing temperature on its low-temperature flexibility.The results show that,with the decrease of finishing temperature,the low-temperature impact ductility decreases gradually.And the low-temperature flexibility is highest at finishing temperature of 860 ℃ and lowest at finishing temperature of 986 ℃.The fracture morphologies of four angle irons with different finishing temperature after impacted at-40 ℃ were analyzed by SEM.The results show that there is a ductile fracture at 857 ℃ and 873 ℃,brittle fracture at 924 ℃ and 986 ℃,which is in accord with the data of impact ductility test." @default.
- W2357103007 created "2016-06-24" @default.
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- W2357103007 date "2010-01-01" @default.
- W2357103007 modified "2023-09-25" @default.
- W2357103007 title "Study on Performance of Q420 Angle Iron for Power Tower" @default.
- W2357103007 hasPublicationYear "2010" @default.
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