نتایج جستجو برای: internal bond
تعداد نتایج: 300930 فیلتر نتایج به سال:
In this study, Wedge statistical analysis tools were used to collect, collate, clean up, plot, and analyze several years of operational data from a commercial paper machine. The z-direction tensile (ZDT) Scott Bond tests chosen as representative fiber bond strength. After analyzing thousands parameters, the ones with most significant impact upon ZDT involved starch application method, penetrati...
The chemical bond and structural features for the most important classes of solid products obtained by reacting chalcogen donors with dihalogens and interhalogens are reviewed. Particular attention is paid to the information the FT-Raman spectroscopy can confidently give about each structural motif considered in the absence of X-ray structural analyses.
The resistance of reinforced concrete is mobilized through the composite action of two materials with different mechanical behaviors and physical features. Enabling the composite action requires a transfer mechanism between the concrete and the reinforcement which is referred to as bond. The bond model can be defined as a traction-slip relation tangent to the interface. The bond strength betwee...
در این پژوهش تلاش شده است تا با انجام مشاهدات مستقیم آزمایشگاهی بر حدود تاثیرگذاری سه پارامت "سیکل های گرم وسرد شدن لوله" و "زبری سطح ورق فولاد" و همچنین "دامنه تغییرات دما" بر یک معیار مقاومتی مرتبط همچون مقاومت پیوستگی (bond strength) بین پوشش و فولاد تعیین گردد.
This in vitro study evaluated the bond strength of adhesive restorative materials to sound and eroded dentin. Thirty-six bovine incisors were embedded in acrylic resin and ground to obtain flat buccal dentin surfaces. Specimens were randomly allocated in 2 groups: sound dentin (immersion in artificial saliva) and eroded dentin (pH cycling model - 3× / cola drink for 7 days). Specimens were then...
The resistance of reinforced concrete is mobilized through the composite action of two materials with different mechanical behaviors and physical features. Enabling the composite action requires a transfer mechanism between the concrete and the reinforcement which is referred to as bond. The bond model can be defined as a traction-slip relation tangent to the interface. The bond strength betwee...
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