نتایج جستجو برای: 3 point bending response
تعداد نتایج: 3043929 فیلتر نتایج به سال:
In this article, the 3 point bending analysis of a mobile phone using LS-DYNA explicit integration method is discussed. Since there are a large number of contact pairs defined in the FEA model, and the FEA model is very large in a 3 point bending analysis of a phone, it is much more convenient to use the explicit method than the implicit method. However, using explicit procedure to a quasi-stat...
Tailor-made blanks are sheet metal assemblies with different thicknesses and/or materials and/or surface coatings. A monolithic sheet can be machined to make the required thickness variations that is referred as tailor machined blanks. Due to the thickness variation in tailor machined blanks, laser bending of these blanks is more complicated than monolithic plates. In this article, laser formin...
Abstract Single crystals which exhibit mechanical flexibility are promising materials for advanced technological applications. Before such can be used, a detailed understanding of the mechanisms bending is needed. Using single crystal X-ray diffraction and microfocus Raman spectroscopy, we study in atomic detail high-pressure response plastically flexible coordination polymer [Zn(?-Cl) 2 (3,5-d...
We measure the elastic response of a free-standing lipid membrane to a local indentation by using an atomic force microscope. Starting point is a planar gold-coated alumina substrate with a chemisorbed 3-mercaptopropionic acid monolayer displaying circular pores of very well defined and tunable size, over which bilayers composed of N,N,-dimethyl-N,N,-dioctadecylammonium bromide or 1,2-dioleoyl-...
Simple evaluation method for the dynamic stress intensity factor in the impact 3-point bending test.
بیان مسأله: از مواد سرامیکی به طور وسیعی در دندانپزشکی استفاده می شود. این مواد از نظر زیبایی، بهترین جایگزین برای دندان طبیعی هستند. اشکال عمده این مواد، ماهیت شکننده آنها است؛ بنابراین برای تقویت پرسلن از روشهای مختلفی مانند زیرساختار فلزی، تقویت پرسلن با کوره های سرامیکی با استحکام بالا و همین طور مکانیسم های تقویت سطحی مانند گلیز، work hardening و تبادل یونی استفاده می شود. هدف: مطالعه حاضر...
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