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[14]. The δ'/GPI/δ' composite precipitates were formed in these two alloys after the first-step aging at 100 °C for 1 d. Due to the minimization of stress caused by the lattice mismatch among the Al...Trans. Nonferrous Met. Soc. China 29(2019) 15-24 Distribution and evolution of aging precipitates in Al-Cu-Li alloy with high Li concentration Jin-feng LI1,2,3, Jia-lei HUANG1, Dan-yang LIU1, Yong......
) and lower bound Schapery model. Aging treated Si3N4p/2024Al composite presents the best dimensional stability due to low internal stress and strong pining effect on dislocations from fine dispersed...Aging and thermal expansion behavior of Si3N4p/2024Al composite fabricated by pressure infiltration methodCHEN Guo-qing1, YANG Wen-shu1, 2, MA Kang1, Murid HUSSAIN 2, JIANG Long-tao1, WU Gao-hui1(1......
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Microscopic phase-field study on aging behavior of Ni75Al17Zn8 alloy ZHAO Yan(赵 彦)1, CHEN Zheng(陈 铮)1, 2, LU Yan-li(卢艳丽)1, ZHANG Li-peng(张利鹏)1 1. College of Materials Science... graphic expression of atomic occupation probabilities. In this work, microscopic phase-field method is applied to study isothermal aging process of Ni75Al17Zn8 alloy, including nucleation mechanism......
Microstructural evolution and mechanical properties of aging high nitrogen austenitic stainless steelsZhou-hua Jiang, Zu-rui Zhang, Hua-bing Li, Zhen Li, and Qi-feng Ma School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China摘 要:The microstructural evolution of 18Cr18Mn2Mo0.77N high nitrogen austenitic stainless steel in aging......
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during aging treatment. SKROTZKI et al[14] studied the effect of an externally applied tensile stress on nucleation and growth of Ω and θ′ precipitates in Al-Cu-Mg-Ag alloys at 160 ℃ and found...-guo. Mechanism of stress aging in Al-Cu(-Mg-Ag) alloys [J]. Trans Nonferrous Met Soc China, 2004, 14(4): 779-784. [16] MURAISHI S, KUMAI S, SATO A. Competitive nucleation and growth of {111} Ω......
, and the tensile strength is increased to about 140 MPa while the elongation still keeps above 8%. However, compared with the 2024 alloys, although the aging response of the cold deformed 7A04 aluminum alloy.... Key words: aluminum alloy; aging precipitation; strengthening; cold deformation 1 Introduction Studies on thermomechanical treatment of aluminum alloy can date from the 1960s[1,2]. A great deal......
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Temperature and Stress Dependence of Occurrence of Strain Burst in Cyclic Creep of AI-Mg Alloy朱世杰,阳志安,王中光摘 要:<正> Cyclic creep tests of Al-Mg alloy have beenconducted at a wide range of stress andtemperature.When Mg content is beyond 0.45%,the strain bursts can be observed in the cyclic creepcurves.There exists a critical stress for the occur-rence......