Properties of hemp fibre polymer composites -An optimisation of ...

More documents

Recommendations

Info

116 Risø-PhD-11
Risø-PhD-11 117
Page 1 and 2:
Risø-PhD-11(EN) Properties of hemp
Page 3 and 4:
Contents Preface 6 1 Resumé 7 2 Li
Page 5 and 6:
PhD thesis: Properties of hemp fibr
Page 7 and 8:
1 Resumé Karakterisering af hampef
Page 9 and 10:
2.4 Oral presentations Anders Thyge
Page 11 and 12:
4 Introduction Hemp (Cannabis sativ
Page 13 and 14:
4.2 The outline of the thesis The f
Page 15 and 16:
The only fertilizer used was 360/48
Page 17 and 18:
Temperature [ o C] 35 30 25 20 15 1
Page 19 and 20:
A B Figure 7. A: Model of transvers
Page 21 and 22:
Figure 8. Lignin (a), pectin (b) an
Page 23 and 24:
Figure 11. Microfibril angles (MFA)
Page 25 and 26:
Teleman, 1997). The crystal structu
Page 27 and 28:
to the computing effort and the sub
Page 29 and 30:
Figure 15. The structure of hemicel
Page 31 and 32:
fibre mats, which are made by air-d
Page 33 and 34:
Figure 18. From fibre filament to a
Page 35 and 36:
A B C D Figure 20. Chemical structu
Page 37 and 38:
water vapour and air are removed fr
Page 39 and 40:
7 Defibration methods Defibration m
Page 41 and 42:
Table 5. Fibre yield and cellulose
Page 43 and 44:
a b c Composition [% w/w] 100 Compo
Page 45 and 46:
8 Fibre strength in hemp The streng
Page 47 and 48:
8.2 Effect of pre-treatment of hemp
Page 49 and 50:
E-modulus [GPa] 90 80 70 60 50 40 3
Page 51 and 52:
Second mode: Failure is controlled
Page 53 and 54:
structure, which made much higher f
Page 55 and 56:
Table 7. Porosity factors determine
Page 57 and 58:
Thereby, the effective fibre streng
Page 59 and 60:
a b Composite tensile strength σcu
Page 61 and 62:
Table 9. Mechanical properties in a
Page 63 and 64:
a σ c/ρ c [10 3 m 2 /s 2 ] b Ec/
Page 65 and 66: Fibre strength σ f [MPa] Fibre sti
Page 67 and 68: 11 References Andersen TL, Lilholt
Page 69 and 70: Kaar WE, Cool LG, Merriman MM, Brin
Page 71 and 72: Stowell EZ, Liu TS, 1961. On the Me
Page 73 and 74: Appendix A: Comprehensive composite
Page 75 and 76: The porosity constants can now be d
Page 77 and 78: Appendix D: Density and mechanical
Page 79 and 80: Paper I Changes in chemical composi
Page 81 and 82: Risø-PhD-11 81
Page 89 and 90: Paper II Hemp fiber microstructure
Page 91 and 92: ABSTRACT Characterization of hemp f
Page 93 and 94: METHODS AND TECHNIQUES Treatment of
Page 95 and 96: 2000) and their orientation gave th
Page 97 and 98: By TEM microscopy, the single fiber
Page 99 and 100: Table 1. Chemical composition of th
Page 101 and 102: Table 2. Tensile strength (σ) and
Page 103 and 104: Morvan, C., Jauneau, A., Flaman, A.
Page 115: Risø-PhD-11 115
Page 119 and 120: Paper IV Comparison of composites m
Page 121 and 122: ABSTRACT Aligned epoxy-matrix compo
Page 123 and 124: the calculation of volume fractions
Page 125 and 126: solution (pH 4) for 4 h at 85°C. L
Page 127 and 128: E ⎛ dσ c ⎞ = ⎜ ⎟ ⎝ dε
Page 129 and 130: Table 2. Chemical composition, stru
Page 131 and 132: transverse section of the small hem
Page 133 and 134: Long fibres that pass through the e
Page 135 and 136: Figure 6. Effect of composite fabri
Page 137 and 138: DISCUSSION The defibration of hemp
Page 139 and 140: This investigation showed that the
Page 141 and 142: Bos, H.L., Molenveld, K., Teunissen
Page 143 and 144: Thygesen, A., 2006. Properties of h
Page 147: Risø’s research is aimed at solv
show all

Properties of hemp fibre polymer composites -An optimisation of ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?