1995
DOI: 10.1007/bf01153080
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Influence of fine grained structure and superplastic deformation on the strength of aluminium alloys

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Cited by 21 publications
(10 citation statements)
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“…Also, length of a crack path in its growth is smaller in fine‐grained alloys 8,10 which leads to a decrease in amount of energy required for crack propagation. The decrease of crack length is the consequence of the change in the fracture mode, where the crack path is more tortuous during fatigue crack growth in coarse‐grained materials . Similar results for straight crack path after ECAP are reported in…”
Section: Resultsmentioning
confidence: 99%
“…Also, length of a crack path in its growth is smaller in fine‐grained alloys 8,10 which leads to a decrease in amount of energy required for crack propagation. The decrease of crack length is the consequence of the change in the fracture mode, where the crack path is more tortuous during fatigue crack growth in coarse‐grained materials . Similar results for straight crack path after ECAP are reported in…”
Section: Resultsmentioning
confidence: 99%
“…According to the early work of Rabinovich et al 24 it was shown for an Al-Mg-Mn alloy that an UFG structure will unfortunately lead to a reduced threshold value of the stress intensity factor ∆K. The influence of ECAP processing and subsequent annealing treatment was investigated recently by Hockauf et al 86 for the alloy AA6060.…”
Section: 15mentioning
confidence: 98%
“…Thus, discussing the fatigue behaviour of nanostructured materials both aspects, strength and ductility, have to be considered. First investigations on the cyclic deformation behaviour of UFG single-phase model materials like pure copper, nickel or aluminium were performed by Rabinovich and Markushev, 24 Vinogradov et al 25 and Agnew and Weertman 60 more than a decade ago. So far, several groups of researchers have carried out only a limited number of systematic investigations on the fatigue behaviour of UFG copper, [26][27][28][29][30][31][32][33][34][35][36][37][38] UFG nickel 39,40 and UFG aluminium.…”
Section: Fatigue Livesmentioning
confidence: 99%
“…Измельчение зеренной структуры металлов и сплавов с целью улучшения их механических свойств является актуальным направлением материаловедческих иссле-дований на протяжении нескольких последних десяти-летий [1][2][3]. Активно ведутся также работы по изучению механизмов формирования мелкозернистой структуры и ее влияния на механические свойства материалов, подвергнутых различным видам термомеханической обработки [1][2][3][4][5][6].…”
Section: Introductionunclassified
“…Активно ведутся также работы по изучению механизмов формирования мелкозернистой структуры и ее влияния на механические свойства материалов, подвергнутых различным видам термомеханической обработки [1][2][3][4][5][6]. Большое количество исследований посвящено, в том числе, интенсивной пластической деформации (ИПД), обеспечивающей формирование мелко-и ультрамелкозернистых (МЗ и УМЗ), а также нанокристаллических (размер зерна ≤ 10; 1 и 0,1 мкм, соответственно) состояний материалов [7][8][9][10][11][12][13][14][15][16].…”
Section: Introductionunclassified