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    题名 作者 年代 出处 被引量
1Corrosion behavior of electron beam processed AZ91 magnesium alloy显示文摘The increasing use of light alloys owing to their high performance makes magnesium alloys very attractive for the use in automotive and biomedical applications.However,it is well known that magnesium and its alloys have poor corrosion resistance in different atmospheric and aqueous environments.As a means of improving corrosion resistance through the microstructure modification,electron beam processing(EBP)was applied on the as-cast AZ91 magnesium alloy.To evaluate the microstructure influence on the corrosion-resistant,the EB processed samples underwent a solution heat treatment and an artificial aging heat treatment.Four different obtained microstructures were investigated by standard microscopy and electrochemical corrosion tests to evaluate the microstructure and its effects on the corrosion resistance of AZ91 alloy.The EBPed specimens show a significant microstructure refinement and homogenous distribution ofβ-phase at the grain boundaries surrounded by supersaturatedα-Mg which acts as a barrier against corrosion.The electrochemical corrosion test of the samples immersed in 3.5 wt%NaCl after 4 weeks indicates that the EBP improves the corrosion resistance of the alloy due to the nobler corrosion potential of supersaturated a-Mg and more stable protective hydroxide films compared to the heat-treated and as-cast conditions.Fatemeh Iranshahi Mohammad Bagher Nasiri Fernando Gustavo Warchomicka Christof Sommitsch 2020Journal of Magnesium and Alloys2020，8，4：7
2Study of the hot deformation behaviour in Ti–5Al–5Mo–5V–3Cr–1Zr显示文摘F. Warchomicka C. Poletti M. Stockinger 2011Materials Science & Engineering A2011，，28：2
3Deformation Mechanisms in the Near- β Titanium Alloy Ti-55531显示文摘Martina Dikovits Cecilia Poletti Fernando Warchomicka 2014Metallurgical and Materials Transactions A2014，，3：2
4Quantitative a- nalysis of the microstructure of near β titanium alloy during com- pression tests 显示文摘Warchomicka F Stockinger M Degischer H P 2006Journal of Materials Processing Technology2006，177，13：1
5Study of the hot de- formation behaviour in Ti-5A1-5Mo-5V-3Cr-IZr 显示文摘Warchomicka F Poletti C Stockinger M 2011Materials Science and Engineering : A2011，528，28：1
6Quantitative analysis of the microstructure of near β titanium alloy during compression tests 显示文摘Warchomicka F Stockinger M Degischer H P 2006Materials Processing Technology2006，177，：1
7Quantitative analysis of the microstructure of near/3 titanium alloy during compression tests显示文摘Warchomicka F Stockinger M Degischer H P 2006Journal of Materials Processing Technolo- gy2006，177，13：1
8Deformation mechanism- sin the near- β titanium alloy Ti -55531 显示文摘Dikovits M Poletti C Warchomicka F 2013Metallurgical and Materials Transactions A2013，44，3：1
9Quantitative analysis of the microstructure of near fl titanium alloy during compression tests显示文摘WARCHOMICKA F 2006Journal of Materials Processing Technology2006，177，13：1
10Study of the hot deformation behaviour in Ti - 5 A1- 5 Mo - 5 V - 3 Cr- 1 Zr 显示文摘Warchomicka F Poletti C Stockinger M 2011Materials Science and Engineering: A2011，528，28：1
11Study of the hot deformation behaviour in Ti-5A1-5Mo-5V-3Cr-IZr显示文摘Warchomicka F Poletti C Stockinger M 2011Materials Science and Engineering: A2011，528，28：1
12Quantitative anal- ysis of the microstructure of near 13 titanium alloy during compres- sion tests 显示文摘Warchomicka F Stockinger M Degischer H P 2006Journal of Materials ProcessingTechnology2006，177，：1
13Deformation mechanisms in the near-β titanium alloy Ti-55531 显示文摘Dikovits M Poletti C Warchomicka F 2013Metallurgical and Materials Transactions A2013，44，3：1
14Local deformation and processing maps of as-cast AZ31 alloy显示文摘POLETTI C DIERINGA H WARCHOMICKA F 2009Materials Science and Engineering A2009，516，：1
15Study of the hot deformation behaviour in Ti-SA1-SMo-5V- 3Cr-lZr 显示文摘WARCHOMICKA F POLETI'I C STOCKINGER M 2011Materials Science and Engineering A2011，528，28：1
16Study of the hot deformation behaviour in Ti-5A1-5Mo-5V-3Cr-IZr显示文摘Warchomicka F Poletti C Stockinger M 2011Materials Science and Engineering A2011，528，28：1
17Investigation of the degradation rate of electron beam processed and friction stir processed biocompatible ZKX50 magnesium alloy显示文摘Together with the mechanical properties,the degradation rate is an important factor for biodegradable implants.The ZKX50 Mg alloy is a suitable candidate to be used as a biodegradable implant due to its favorable biocompatibility and mechanical properties.Current research investigates the degradation rate and corrosion behavior of the ZKX50 as a function of the microstructure constituents and their morphology.Since grain refinement is the main strengthening mechanism for the ZKX50,the effect of the microstructure refinement on the corrosion rate was studied by applying electron beam processing(EBP)and friction stir processing(FSP)on the ZKX50 cast alloy.To study the effect of the microstructure constituents and their morphology a subsequent solution heat treatment(HT)was applied to the processed samples.The results show that the EBP and FSP lead to a uniform and remarkably refined microstructure of the ZKX50 alloy and homogeneous distribution of the intermetallic phases.The results of electrochemical corrosion tests together with the microstructure characterization show that microgalvanic corrosion is the predominant mechanism that occurs between the Ca2Mg6Zn3 intermetallic phase andα-Mg matrix.According to the results attained through the electrochemical tests,the EBPed-HT ZKX50 alloy shows higher corrosion resistance compared to all other conditions immersed in 0.5 wt.%NaCl solution.The dissolution and spheroidizing of Ca2Mg6Zn3 particles during the solution heat treatment provides higher corrosion resistance mainly by decreasing the microgalvanic corrosion.The microstructure of the heat-treated samples does not show a significant grain coarsening which can degrade the enhancement of the mechanical properties achieved by the EBP and FSP.Fatemeh Iranshahi Mohammad Bagher Nasiri Fernando Gustavo Warchomicka Christof Sommitsch 2022Journal of Magnesium and Alloys2022，10，3：0
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