User profiles for N. Graupner

Nina Graupner

Hochschule Bremen
Verified email at hs-Bremen.de
Cited by 2470

[HTML][HTML] Natural and man-made cellulose fibre-reinforced poly (lactic acid)(PLA) composites: An overview about mechanical characteristics and application areas

N Graupner, AS Herrmann, J Müssig - Composites Part A: Applied Science …, 2009 - Elsevier
… They are gained by the NMMO process in an organic solvent N-methyl-morpholine-N-oxide.
The NMMO process is based on the ability of aminooxide to dissolve cellulose under …

[HTML][HTML] Expanding ecological assessment by integrating microorganisms into routine freshwater biomonitoring

…, S Fazi, T Fleituch, L Frühe, M Gajdosova, N Graupner… - Water research, 2021 - Elsevier
Bioindication has become an indispensable part of water quality monitoring in most countries
of the world, with the presence and abundance of bioindicator taxa, mostly multicellular …

[HTML][HTML] Fibre/matrix adhesion of cellulose fibres in PLA, PP and MAPP: A critical review of pull-out test, microbond test and single fibre fragmentation test results

N Graupner, J Rößler, G Ziegmann, J Müssig - Composites Part A: Applied …, 2014 - Elsevier
… of 20 N/cm 2 at 180 C for 5 min followed by cold pressing at 25 C for 2 min at a pressure of
20 N/… ) type Z 020 operating with a load cell of 500 N and a testing speed of 0.2 mm/min. The …

Application of lignin as natural adhesion promoter in cotton fibre-reinforced poly (lactic acid)(PLA) composites

N Graupner - Journal of Materials Science, 2008 - Springer
This study investigated how lignin—used as a natural adhesion promoter in biodegradable,
thermoplastic cotton fibre-reinforced composites—influences the composites’ mechanical …

[HTML][HTML] A comparison of the mechanical characteristics of kenaf and lyocell fibre reinforced poly (lactic acid)(PLA) and poly (3-hydroxybutyrate)(PHB) composites

N Graupner, J Müssig - Composites Part A: Applied Science and …, 2011 - Elsevier
N/mm 2 for PLA and 2200 N/mm 2 for PHB. Flexural modulus values were determined to be
3200 N/mm 2 for PLA and 1600 N/… of 5200 N/mm 2 for Young’s modulus and 5400 N/mm 2 …

Test methods for fibre/matrix adhesion in cellulose fibre‐reinforced thermoplastic composite materials: A critical review

J Müssig, N Graupner - Progress in Adhesion and Adhesives, 2021 - Wiley Online Library
Due to the increasing discussion about sustainable and CO 2 ‐reduced materials, the demand
for cellulose‐based fibres as a reinforcing component in thermoplastic composites has …

Impregnated fibre bundle test for natural fibres used in composites

…, J Baets, J Müssig, N Graupner… - Journal of …, 2017 - journals.sagepub.com
In this study, the impregnated fibre bundle test, a common method used by carbon and glass
fibre manufacturers to determine the properties of fibres used in composites, was adapted …

Testing methods for measuring physical and mechanical fibre properties (plant and animal fibres)

J Müssig, H Fischer, N Graupner, A Drieling - Chapter, 2010 - books.google.com
… As an orientation aid for industry in this sector, recommendations have been set up as part
of the N-FibreBase project (www. n-fibrebase. net). These test recommendations are listed in …

Effect of basalt fibre hybridisation and sizing removal on mechanical and thermal properties of hemp fibre reinforced HDPE composites

…, C Sergi, MC Seghini, L Cozzarini, N Graupner - Composite …, 2018 - Elsevier
… (1):(1) L fc = 4 3 · l = 4 3 ∑ i = 0 n l i n with l = average fragment length, n = number of … τ in
N/mm 2 according to Eq. (2) [22]:(2) τ = σ f · d f 2 · L fc with σ f = tensile strength of the fibre in N/…

[HTML][HTML] Procedural influences on compression and injection moulded cellulose fibre-reinforced polylactide (PLA) composites: Influence of fibre loading, fibre length …

N Graupner, G Ziegmann, F Wilde, F Beckmann… - Composites Part A …, 2016 - Elsevier
… A preload of 50 N was used and the test was performed with a speed of 2 mm/min. …
Shapiro–Wilk test regarding to a normal distribution for n < 1000. To determine if there are significant …