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Browsing School of Engineering and Technology (JA) by Author "Rotich, Gideon K."

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Characterizations of basalt unsaturated polyester laminates under static three‐point bending and low‐velocity impact loadings

Rotich, Gideon K.; Hu, Hangjun; Wambua, Paul; Gu, Bohong (Wiley, 2014-01-21)

This paper reports the responses of basalt unsaturated polyester laminates under static three‐point bending loading and low‐velocity impact. Three kinds of composite materials, unidirectional (0°), cross‐ply (0°/90°) and ...
Crease resistance finishing optimization of citric acid and fibroin solution for cotton fabrics

Ahmed, Mohammed; Sukumar, Nachiappan; Rotich, Gideon K. (Taylor and Francis, 2019-06)

Wrinkling effect in cellulose fiber–made fabrics has a major setback for their use as apparels necessitating the use of crease resistance finish. For a while, formaldehyde-based-finished dimethyl dihydroxy ethylene urea ...
Damage behaviors of woven basalt-unsaturated polyester laminates under low-velocity impact

Rotich, Gideon K.; Zhang, Fa; Wu, Liwei; Sun, Baozhong; Gu, Bohong (SAGE Publications, 2015-05-01)

This paper describes the damage behaviors of plain-woven basalt-unsaturated polyester laminates under low-velocity impact from experimental and finite-element approach. Experimental tests were carried out in an INSTRON® ...
Design and development of false ceiling board using polyvinyl acetate (PVAc) composite reinforced with false banana fibres and filled with sawdust

Zeleke, Yerdawu; Rotich, Gideon K. (Hindawi, 2021)

This work deals with design and development of false ceiling board from polyvinyl-acetate (PVAc) composite reinforced with false banana fibres and filled with sawdust. The aim was to develop a light weight and good strength ...
Development of silicone based waterproof polyester-cotton canvas fabrics for auto rickshaw cover

Desalegn, Atalie; Rotich, Gideon K. (Springer, 2022-07-01)

In recent years, silicone water repellents have been used extensively in coating technical textiles. Canvas is one of the technical textiles made from different natural and synthetic blended fibers and is used for technical ...
Drop-weight impact damage of three-dimensional angle-interlock woven composites

Sun, B; Zhang, R; Zhang, Q; Rotich, Gideon K.; Gu, B (SAGE Publications, 2013-08-01)

The drop-weight impact behavior of three-dimensional angle-interlock woven glass fiber/unsaturated polyester resin composites was investigated with a drop-weight impact tester (Instron Dynatup 9250 impact tester). A unit ...
The Effect of fibre position and gauge lengths along the length of enset bundle fibres on physical and mechanical properties: Application of statistics analysis

Esubalew, Dessie; Tamrat, Tesfaye; Liu, Fanxizi; Rotich, Gideon K.; Yiping, Qiu (Taylor and Francis Group, 2022)

In this study, the Enset fibers were equally divided lengthwise from bottom to top into four portions explicitly 0–300 mm (EV-I),300–600 mm (EV-II), 600–900 mm (EV-III), and 900–1200 mm (EV-IV), and the physio-mechanical ...
Effect of silane treatment on tensile strength, moisture absorption and thermal property of unidirectional woven mat enset fibers reinforced polypropylene composite

Esubalew, Dessie; Liu, Fanxizi; Tamrat, Tesfaye; Rotich, Gideon K.; Adane, Dagnaw G.; Yiping, Qiu (Taylor and Francis, 2021-12-23)

The aim of this paper is to study the effect of bis [3(triethoxysilyl) propyl] tetrasulfide (Si69) and 3-Glycidoxypropyl trimethoxy silane (GPS) on the properties of unidirectional enset fiber reinforced Polypropylene (PP) ...
Effect of surface treatment on moisture absorption, thermal, and mechanical properties of sisal fiber

Gudayu, Adane D.; Steuernagel, Leif; Meiners, Dieter; Rotich, Gideon K. (SAGE Publications, 2020-05)

Natural fibers are increasingly being used as composite reinforcement for both thermoplastic and thermoset resin, mainly for automotive application. Due to their hydrophilic nature, natural fibers have certain limitations ...
Effect of weft yarn twist level on mechanical and sensorial comfort of 100% woven cotton fabrics

Atalie, Desalegn; Ferede, Addisu; Rotich, Gideon K. (SpringerOpen, 2019-04)

Fabric sensory properties are complex concepts which include dimensional changes at small forces such as tensile, shear, compression and bending, surface properties (friction and roughness) plus surface coolness or warmness. ...
Effect of weft yarn twist level on thermal comfort of 100 per cent cotton woven fabrics

Atalie, Desalegn; Tesema, Addisu Ferede; Rotich, Gideon K. (Emerald, 2018-09-10)

Purpose – Fabrics’ thermal properties greatly influence human comfort during wear. For this reason, fabrics with optimum thermal properties need to be developed. This paper aims to investigate the effect of weft yarn twist ...
Effects of temperature and strain rate on impact compression behaviors of three-dimensional carbon fiber/epoxy braided composites

Zhang, Wei; Zhongxiang, Pan; Rotich, Gideon K.; Gu, Bohong; Sun, Baozhong (SAGE Publications, 2014-03-06)

This paper reports compression properties of three-dimensional carbon fiber/epoxy braided composites at temperatures from 23℃ to 210℃ under strain rate from 1200 s−1 to 2400 s−1. It was found that the elevated temperature ...
Experimental and numerical investigation of the transverse impact damage and deformation of 3-D circular braided composite tubes from meso-structure approach

Zhou, Haili; Pan, Zhongxiang; Rotich, Gideon K.; Gu, Bohong; Sun, Baozhong (Elsevier, 2016-02-01)

The transverse impact deformation and damage of 3-D circular braided composite tubes were studied both in experimental and numerical approaches. A meso-structure geometrical model based on the braided architecture was ...
Extraction and characterization of Ethiopian palm leaf fibers

Atalie, Desalegn; Rotich, Gideon K. (Emerald, 2018-03)

Purpose – This study aims at extracting and characterizing palm leaf fibers from Elaeis guineensis species of palm trees found in Ethiopia. Design/methodology/approach – The fibers were extracted using three methods: ...
Extraction and characterization of fiber from the Stem of Cyperus Papyrus Plant

Leweyehu, Sheferaw; Rotich, Gideon K.; Hermela, Ejegu; Yohannes, Gatew (Taylor and Francis Group, 2022-11-22)

Owing to environmental concerns caused by the use of synthetic fibers, there is an urgent need to find new eco-friendly fibers. In addition, conventional cellulosic fibers are becoming costly due to an increase in production ...
Extraction and Characterization of Fibers from Corn Husk

Wubneh, Fisseha; Rotich, Gideon K.; Wu, Dacheng; Km, Babu (Taylor and Francis, 2022-06-08)

In the present research, corn husk fibers were extracted by chemical method using sodium hydroxide followed by acid treatment. The objective was to obtain easily twistable, soft and fine fibers. The extracted fibers were ...
Extraction and characterization of fibers from Yucca Elephantine plant

Azanaw, Aklilu; Haile, Adane; Rotich, Gideon K. (Springer, 2019-01)

The use of natural fibers has increased greatly driven by environmental concerns of synthetic fibers. The most commonly used natural fiber is cotton followed by long leaf fibers like sisal and bast fibers like jute, flax, ...
Extraction and characterization of natural cellulosic fibers from carissa edulise plant stems

Azanaw, Aklilu; Haile, Adane; Rotich, Gideon K.; Teshome, Bayu; Asnake, Teshome; Nalankilli, Ketema G. (2018-02-15)

Studies on Natural fibers are intensive these days due to their eco-friendly nature and special properties. Possibility of discovering certain non-conventional sources for natural fibers is being explored. Plant fiber is ...
Extraction of natural dye from Osyris quadripartita and application in dyeing of cotton fabrics

Teklay, Negasi; Rotich, Gideon K. (2017-12)

The uses of non-allergic and non-toxic natural dyes on textile materials have become a matter of significant importance. In spite of much research work being done on natural dye application on textile materials, its ...
Finite element analyses on punch shear behaviors of three-dimensional braided composites at microstructure level

Li, Yuanyuan; Zhang, Wei; Rotich, Gideon K.; Gu, Bohong; Sun, Baozhong (SAGE Publications, 2017-09-01)

The punch shear properties of three-dimensional carbon/epoxy braided composites were studied at quasi-static and high strain rates with finite element method at microstructure level. A microstructure model was developed ...

Browsing School of Engineering and Technology (JA) by Author "Rotich, Gideon K."

Browsing School of Engineering and Technology (JA) by Author "Rotich, Gideon K."

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