Yuan Chai
University of Manchester
Composite numberMorphology (linguistics)BraidComposite materialEpoxyPlane (geometry)Shear strengthMaterials scienceDiffractionShear stressPlain weaveDamage mechanicsShear modulusFracture (geology)MetalMatrix (geology)Shear (sheet metal)BendingStress (mechanics)Titanium alloy
7Publications
4H-index
70Citations
Publications 8
Newest
#1Ying Wang (University of Manchester)H-Index: 12
#2Xu Xu (University of Manchester)
Last. Timothy L. Burnett (University of Manchester)H-Index: 19
view all 13 authors...
Abstract The damage mechanisms and load redistribution taking place under high temperature (350°C), high cycle fatigue (HCF) of TC17 titanium alloy/unidirectional SiC fibre composites have been investigated in situ using synchrotron X-ray computed tomography (CT) and X-ray diffraction (XRD) under two stress amplitudes. The three-dimensional morphology of the fatigue crack and fibre fractures has been mapped by CT. At low stress amplitude, stable growth occurs with matrix cracking deflecting by 5...
Source
#1Ying WangH-Index: 12
Last. Timothy L. Burnett (University of Manchester)H-Index: 19
view all 13 authors...
The damage mechanisms and load redistribution of high strength TC17 titanium alloy/unidirectional SiC fibre composite (fibre diameter = 100 \mu) under high temperature (350 °C) fatigue cycling have been investigated in situ using synchrotron X-ray computed tomography (CT) and X-ray diffraction (XRD) for high cycle fatigue (HCF) under different stress amplitudes. The three-dimensional morphology of the crack and fibre fractures has been mapped by CT. During stable growth, matrix cracking domin...
#1Yuan Chai (University of Manchester)H-Index: 4
#2Ying Wang (University of Manchester)H-Index: 12
Last. Philip J. Withers (University of Manchester)H-Index: 66
view all 9 authors...
Abstract The torsional performance of bi-axially braided carbon fibre reinforced polymer (CFRP) tubes as a function of braid architecture is investigated. It is found that for a given braid pattern, the 45° braided CFRP tubes have higher shear moduli and lower shear strength than the 35° braids. In general, 2/2 (regular) braided CFRP tubes exhibit both higher shear strength and higher shear modulus than 1/1 (diamond) braids. However, beyond the peak load, the shear strength of 2/2 braided CFRPs ...
1 CitationsSource
#1Yuan Chai (University of Manchester)H-Index: 4
#2Ying Wang (University of Manchester)H-Index: 12
Last. Philip J. Withers (University of Manchester)H-Index: 66
view all 7 authors...
Abstract Here we present the first real-time three dimension (3D) observations of damage evolution in a composite tube under torsion. An in-situ torsion test of 1/1 45° (diamond) braided carbon fibre-epoxy circular composite tube was performed on a loading rig and the damage process was characterised by synchrotron X-ray computed tomography (CT). A number of damage modes and their damage sequence has been identified and monitored globally and in more detail within a representative region of inte...
7 CitationsSource
#1Jose R. A. Godinho (University of Manchester)H-Index: 9
#2Lin MaH-Index: 10
Last. Timothy L. BurnettH-Index: 19
view all 5 authors...
Barite precipitation in fractures and nanopores within a shale sample is analysed in situ, in 3D, and over time. Diffusion of barium and sulphate from opposite sides of the sample creates a supersaturated zone where barium sulphate crystals precipitate. Time-lapse synchrotron-based computed tomography was used to track the growth of precipitates over time, even within the shale’s matrix where the nanopores are much smaller than the resolution of the technique. We observed that the kinetics of pr...
2 CitationsSource
#1Ying Wang (University of Manchester)H-Index: 12
#2Yuan Chai (University of Manchester)H-Index: 4
Last. Philip J. Withers (University of Manchester)H-Index: 66
view all 4 authors...
Abstract Kink-band nucleation and propagation has been monitored over time in three dimensions (3D) by time-lapse X-ray computed tomography (CT) in the compressive zone of a blunt notched unidirectional (UD) T800 carbon fibre/epoxy composite under in situ four-point bending (FPB). The kink bands that develop from micro-buckling are classified into two types, namely type 1 and type 2 by analogy with Euler buckling. Type 1 (shear) kink bands accommodate a lateral displacement of the fibres either ...
15 CitationsSource
#1Ying Wang (University of Manchester)H-Index: 12
#2Timothy L. Burnett (University of Manchester)H-Index: 19
Last. Philip J. Withers (University of Manchester)H-Index: 66
view all 6 authors...
Abstract An experimental study on the axial compressive failure of cylindrical unidirectional (UD) carbon fibre-epoxy rods has been performed to better understand kink bands and the relevant damage mechanisms in three dimensions (3D). Post-mortem X-ray micro-computed tomography (micro-CT) imaging has shown that fibre kink bands predominantly all lie within the same plane in a cylindrical rod sample uniaxially compressed without lateral constraint. Kink bands at different stages of development ar...
36 CitationsSource
#1Shengnan Min (University of Manchester)H-Index: 1
#2Xiaogang Chen (University of Manchester)H-Index: 21
Last. Tristan Lowe (University of Manchester)H-Index: 16
view all 4 authors...
Abstract Structural composites with doubly curved surfaces, including ballistic helmet shells, require the use of discontinuous reinforcements due to their limited mouldability. This paper reports on the effect of reinforcement continuity on the ballistic performance of composites made from multiply plain weave fabric. Composites reinforced by 20-ply Twaron® plain weave fabrics, both continuous and discontinuous (with 20 mm and 45 mm overlapping respectively), were produced using the vacuum-bagg...
11 CitationsSource