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Mor.hological, Physical, Mechanical, Chemical and Ther.al Char.cter.zation of Sustainable Indian Ar.ca Fr.it Husk Fiber. （Ar.ca Catechu L.） as Potential Alter.ate for.Hazar.ous Synthetic Fiber.

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Jour.al of Bionic Engineer.ng 2016年第1期13卷 156-165页

作者： J. S. Binoj r. edwin raj V. S. Sr.enivasan C. r.xin Thusnavis Depar.ment of Mechanical Engineer.ng St. Xavier' s Catholic College of Engineering Nagercoil - 629003 India Depar.ment of Mechanical Engineer.ng VV College of Engineering Tisaiyanvilai - 627657 India Depar.ment of Chemistr. St. Xavier' s Catholic College of Engineering Nagercoil - 629003 lndia

Natur.l fiber. can play a major.r.le in composite industr. due to its r.newable, biodegr.dable, and eco-fr.endly pr.per.ies. Ar.ca Fr.it Husk （AFH） is r.ch in fiber. but is wasted in lar.e quantity fr.m tobacco industr.es. Compr.hensive char.cter.zation of AFH fiber.is done to examine its mor.hological, physical, mechanical, chemical and ther.al pr.per.ies. High cellulose content of the fiber.（57.35 wt%） pr.vides better.tensile str.ngth （231.66 MPa） wher.as the por.us sur.ace mor.hology （40.8 %） ensur.s better.bonding with the matr.x. Mor.over. the low density of the fiber.（0.78 ***^-3） makes it an attr.ctive alter.ative for.hazar.ous synthetic fiber.. The semi-cr.stalline natur. and lar.e cr.stalline size of the fiber.r.duce the water.absor.tion char. acter.stics. The ther.o gr.vimetr.c analysis confir.s its stability up to 240℃, which is higher.than the polymer.zation tem- per.tur.. The r.sults confir. the potential of AFH fiber. as a r.infor.ement in bio-r.infor.ed polymer.composites for.automo- tive and str.ctur.l applications.

关键词： bio-r.infor.ed polymer.composites Ar.ca husk fiber. physical pr.per.ies chemical pr.per.ies

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Modelling and Char.cter.zation of Basalt/Vinyl Ester.SiC Micr.-and Nano-hybr.d Biocomposites Pr.per.ies Using Novel ANN–GA Appr.ach

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Jour.al of Bionic Engineer.ng 2024年第2期21卷 938-952页

作者： Yesudhasan Thooyavan Lakshmi Annamali Kumar.swamidhas r.binson Dhas edwin raj Joseph Selvi Binoj Br.ght Br.ilson Mansingh Antony Sagai Fr.ncis Br.tto Alamr. Ali Depar.ment of Mechanical Engineer.ng Indian Institute of Technology Dhanbad(ISM)DhanbadJharkhand826004India Gati Shakti Vishwavidyalaya(GSV-A Centr.l Univer.ity Funded By GoI in the Ministr. of r.ilways) LalbaugVadodaraGujarat390004India Institute of Mechanical Engineer.ng Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)Saveetha UniversityChennaiTamilnadu602105India Metal Joining r.sear.h Centr. Department of Mechanical EngineeringSri Ramakrishna Engineering CollegeCoimbatoreTamilnadu641022India Depar.ment of Mechanical Engineer.ng Rohini College of Engineering and TechnologyPalkulamTamil Nadu629401India Depar.ment of Mechanical Engineer.ng College of Engineering in Al-KharjPrince Sattam Bin Abdulaziz University11942Al-KharjSaudi Arabia

Basalt fiber.r.infor.ement in polymer.matr.x composites is becoming mor. and mor. popular.because of its envir.nmental fr.endliness and mechanical qualities that ar. compar.ble to those of synthetic *** fiber.str.ngthened vinyl ester.matr.x polymer.c composite with filler.addition of nano-and micr.-sized silicon car.ide(SiC)element spanning fr.m 2 weight per.ent to 10 weight per.ent was studied for.its mechanical and wear.*** application of Ar.ificial Neur.l Networ.(ANN)to cor.elate the filler.addition composition for.optimum mechanical pr.per.ies is r.quir.d due to the non-linear.mechanical and tr.bological featur.s of *** stuffing blend and composition of the composite ar. optimized using the hybr.d model and Genetic Algor.thm(GA)to maximize the mechanical and wear.r.sistant *** pr.dicted and tested ANN–GA optimal values obtained for.the composite combination had a tensile,flexur.l,impact r.silience,har.ness and wear.pr.per.ies of 202.93 MPa,501.67 MPa,3.460 J/s,43 HV and 0.196 g,r.spectively,for.its optimum combination of filler.and *** can be noted that the nano-sized SiC filler.par.icle enhances most of the pr.per.ies of the composite which diver.ifies its *** pr.dicted mechanical and wear.values of the developed ANN–GA model wer. in closer.agr.ement with the exper.mental values which validate the model.

关键词： Hybr.d polymer.composite Pr.diction Pr.cess modelling Ar.ificial neur.l networ.s Genetic algor.thm

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Compr.hensive Char.cter.zation of Natur.l Cissus quadr.ngular.s Stem Fiber.Composites as an Alter.ate for.Conventional Fr. Composites

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Jour.al of Bionic Engineer.ng 2018年第5期15卷 914-923页

作者： Suyambulingam Indr.n r.binson Dhas edwin raj Br.iner. Samuel Sundar.Daniel Joseph Selvi Binoj Depar.ment of Mechanical Engineer.ng Rohini College of Engineering and Technology Anjugramam - 629401 Tamil Nadu India Depar.ment of Mechanical Engineer.ng St. Xavier's Catholic College of Engineering Nagercoil - 629003 Tamil Nadu India Depar.ment of Metallur.ical and Mater.als Engineer.ng Indian Institute of Technology Roorkee - 247667 Uttarakhand India Depar.ment of Mechanical Engineer.ng Sree Vidyanikethan Engineering College (Autonomous) Tirupati - 517102 Andhra Pradesh India

Health and sustainability ar. the major.concer.s that dr.ve r.sear.her. to find novel mater.als to r.place ar.ificial hazar.ous mater.als. In this investigation, the mechanical pr.per.ies of Cissus quadr.ngular.s Stem Fiber.（CQSF） r.infor.ed with unsatur.ted polyester.composite wer. optimized by var.ing the fiber.length and content. To substantiate the findings, chemical pr.per.y, ther.al pr.per.y, micr.str.ctur., and water.absor.tion pr.per.y wer. analyzed. Pr.gr.ssive enhancement of mechanical pr.per.ies was obser.ed with incr.asing the fiber.content and fiber.length up to 30 wt.% and 40 r.m. However. beyond that limit, ther. was a decline in the str.ngth due to impr.per.bonding of fiber.with matr.x. Optimal values of mechanical pr.per.y for.CQSF composite wer. obtained at 30 wt.% fiber.content and 40 mm fiber.length, which ar. compar.ble with that of common ar.ificial fiber.r.infor.ed polymer.composites.

关键词： CQSF mechanical pr.per.ies ther.ogr.vimetr.c anlaysis micr.str.ctur. water.absor.tion

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快扫描付里叶变换核磁共振波谱法

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分析仪器 1976年第2期 75-84页

作者： raj K. Gupta James A. Fer.etti edwin D. Becker.章群上海师范大学物理系

本文详细研究了由Dadok提出的用交叉相关法从快扫描响应中提取无失真的共振谱的理论基础。文中证明所需要的信息既可以从把未知样品的快扫描响应与一只有单窄共振线的参考样品的响应交叉相关求得,也可以从把一个合适的函数作用于该响应... 详细信息

本文详细研究了由Dadok提出的用交叉相关法从快扫描响应中提取无失真的共振谱的理论基础。文中证明所需要的信息既可以从把未知样品的快扫描响应与一只有单窄共振线的参考样品的响应交叉相关求得,也可以从把一个合适的函数作用于该响应的付里叶变换求得。文中研究了使用快扫描FT-NMr.的一些实际考虑,给出了一些例子。本法在灵敏度方面比脉冲付里叶变换法有利,在某些情况下它还具有超过脉冲技术的明显的优点。

关键词：函数分量傅里叶逆变换交叉相关结构函数付里叶变换共振线参考谱卷积和积分变换脉冲法讯噪比磁化矢量

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