http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Weave Design Aspects of 3D Textile Preforms Towards Mechanical Properties of Their Composites
Ashwini Kumar Dash,Bijoya Kumar Behera 한국섬유공학회 2019 Fibers and polymers Vol.20 No.10
In this research, six different weave designs of 3D fabric preforms were produced which were subsequentlyconverted to their composite forms using compression molding technique. The composite flat panels thus produced werecharacterized with their response to in-plane tension, bending, and impact testing. The stuffer tows per layer to binder ratiowere kept 1:1 for all the samples. One of the preforms was produced without straight stuffer tows in order to categorize theirrole to different mechanical properties under this study. The tensile performance was found to be affected by the lineardensities of the load carrying fibres and also to the distribution of resin rich regions, determined by weave design of thepreforms. The flexural analysis revealed that the binder tows did not straighten and induce cracks like tensile properties,instead, they acted as a truss and improved bending property. Interlock weave designs showed better flexural properties thancorresponding orthogonal weave designs. The impact properties were predominantly influenced by the number of crossoverpoints in the fabric structure.
On the Alpha-Carbon-12 Elastic Scattering
Ashwini Kumar Behera,Ujjwal Laha,Madhura Majumder,Jhasaketan Bhoi 한국물리학회 2019 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.74 No.5
A closed form expression for the Fredholm determinant is constructed for motion in Coulomb-distorted nonlocal separable potential and expressed it in its maximal reduced form. We demonstrate the usefulness of our constructed expression by means of a model calculation.