نتایج جستجو برای: petch relationship
تعداد نتایج: 553574 فیلتر نتایج به سال:
Abstract The temperature evolution of the Hall–Petch parameters for basal slip and twinning systems has been evaluated AZ31 alloy, using synchrotron radiation diffraction during compression tests from room to 473 K. alloy was processed following two processing routes, casting powder metallurgy, obtain different grain sizes with a similar strong fiber texture. Although macroscopic plasticity is ...
abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...
the study reflected in this thesis aims at finding out relationships between critical thinking (ct), and the reading sections of tofel and ielts tests. the study tries to find any relationships between the ct ability of students and their performance on reading tests of tofel and academic ielts. however, no research has ever been conducted to investigate the relationship between ct and the read...
Graphene and carbon nanotubes have a Steiner minimum tree structure, which endows them with extremely good mechanical electronic properties. A modified Hall-Petch effect is proposed to reveal the enhanced strength of SiC/graphene composites, fractal approach its analysis given. Fractal laws for electrical conductivity graphene, graphene/SiC composites are suggested using two-scale theory. The s...
The influence of the ratio between specimen thickness (t) and grain size (D) on tensile fatigue properties plain notched aluminium plate specimens has been studied. Grain sizes ranging from 66 μm to 9.74 mm have prepared used in tests. observed decrease when D is comparable, or even exceeds, t can be accounted for by adding an additional negative exponential term Hall–Petch equation. An also fo...
educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...
The experiment was conducted in the Department of Horticulture, Sam Higginbottom University Agriculture Technology and Science, Prayagraj, during 2021-2022. laid out Completely Randomized Design (CRD) with 7 hybrids each hybrid replicated 3 times. different used were npy x Golden Crown Black Hawk, Maung Red Bracelet, mkmk, Bracelet Big Flower Bb Chadda Petch, Bb(F1) Hawk. result obtained showed...
Effects of solutes on saturation grain size and mechanical properties are investigated for the Cantor alloy Ni-enriched variations ((CrMnFeCo)xNi1-x) with x=0.8, 0.4, 0.08 0. Indentation coarse-grained severely deformed states shows increasing hardness alloying content due to higher solid solution strengthening Hall-Petch contributions. Nanoindentation strain rate jump tests reveal similar sens...
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