功多汁水 发表于 2025-3-23 11:04:07
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Classical Theorems,, in this chapter, we provide some basic results on Banach spaces that we will use in this book. Most of them can be found in the books and the two survey papers .极为愤怒 发表于 2025-3-23 20:53:57
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Pei-Kee Linreviewed. The complexities of microstructures, especially the multiphase nature, the crystallographic anisotropy and the resultant anisotropic physical properties, and the variation of microstructure and surface finish from point to point in real components, all lead to considerable uncertainties inNonporous 发表于 2025-3-24 02:31:03
Pei-Kee Linility—consistent with an ideal identation response. Observations of such extension can be made with custom-designed bending fixtures, allowing crack extension in indented specimens to be observed with an optical microscope during controlled loading. The resulting applied stress . crack length traces不断的变动 发表于 2025-3-24 08:19:36
Pei-Kee Lin the inhibition of dislocation glide, which can be managed through microstructural design. The Hall-Petch hardening ..d., where . is the hardness and . is the grain size, is a wellknown and useful concept of the design. Conversely, the inverse Hall-Petch relation is recently found out in a metal con变异 发表于 2025-3-24 13:36:21
Pei-Kee Line. It was found that at 1300°C, unlike at room temperature, both materials exhibited a beneficial effect of cyclic loading on the crack growth resistance. From observations of crack paths and fracture surfaces of specimens with cracks grown at elevated temperature but fractured at room temperature igrandiose 发表于 2025-3-24 17:12:28
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trongly dependent on the control exercised over oxygen content during pressing. Uniform, equiaxed grain structures of SiC are obtained if sufficient oxygen is present to allow detectable particles of SiO., whereas uniform, elongated grain structures of β SiC are obtained if excess carbon is utilized