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| 1 | Adhesion of PBO Fiber in Epoxy Composites显示文摘The high mechanical and thermal performance of poly p-phenylene-2, 6-benzobisoxazole(PBO) fiber provides great potential applications as reinforcement fibers for composites. A composite of PBO fiber and epoxy resin has excellent electrical insulation properties, therefore, it is considered to be the best choice for the reinforcement in high magnetic field coils for pulsed magnetic fields up to 100 T. However, poor adhesion between PBO fiber and matrix is found because of the chemically inactive and/or relatively smooth surface of the reinforcement fiber preventing efficient chemical bonding in the interface, which is a challenging issue to improve mechanical properties. Here, we report the surface modification of PBO fibers by ultraviolet (UV) irradiation, O2 and NH3 plasma, as well as acidic treatments. The interfacial adhesion strength values of all the treatments show the similar level as determined for aramid fibers by pull-out tests, a significant impact on fiber-matrix-adhesion was not achieved. The surface free energy and roughness are increased for both sized and extracted fibers after plasma treatments together with maleic anhydride grafting. The sized fiber shows marginal improvement in adhesion strength and no change in fiber tensile strength because of the barrier effect of the finish. For the extracted fiber, different surface treatments either show no apparent effect or cause reduction in adhesion strength. Atomic force microscopy (AFM) topography analysis of the fracture surfaces proved adhesive failure at the fiber surface. The fiber surface roughness is increased and more surface flaws are induced, which could result in coarse interface structures when the treated fiber surface has no adequate wetting and functional groups. The adhesion failure is further confirmed by similar adhesion strength and compression shear strength values when the fiber was embedded in various epoxy resins with different temperature behavior. The tensile strength of fiber is sensitive to surface treatment conditions as revealed by a bimodal Weibull statistical distribution analysis. Considerable strength reduction occurred, particularly for cases of acidic and plasma treatments, while UV irradiation shows the better ability to retain fiber strength. | MADER Edith MELCHER Steffen 刘建文 高尚林 | 2007 | Journal of Donghua University(English Edition)2007，24，2： | 4 |
| 2 | Solid lipid nanoparticles (SLN)for controlled drug delivery-a review of the state of the art显示文摘 | Muller RII Mader K Gohla S | 2000 | Eur J Pharm Biopham2000，50，1： | 2 |
| 3 | Adenosine receptor antagonism in retractory asystolic cardiac arrest:result of a human pilot study显示文摘 | Mader T J Gibson P | 1997 | Resuscitation1997，37，： | 2 |
| 4 | Lactoferricin-induced apoptosis in estrogen-nonresponsive MDA-MB-435 breast cancer cells is enhanced by C6 ceramide or tamoxifen 显示文摘 | Furlong S J Mader J S Hoskin D W | 2006 | Oncol Reports2006，15，5： | 1 |
| 5 | Bovine lactoferricin selectively induces apoptosis in human leukemia and carcinoma eell lines显示文摘 | Mader J S Salsman J Conrad D M | 2005 | Mol Cancer Ther2005，4，4： | 1 |
| 6 | Contribution of reactive oxygen species and caspase-3 to apoptosis and attenuated ICAM-1 expression by paclitaxel-treated MDA- MB-435 breast carcinoma cells显示文摘 | Fawcett H Mader JS Robichaud M | 2005 | Int J Oncol2005，27，6： | 1 |
| 7 | Environmental factors influencing heat stress in feedlot cattle显示文摘 | Mader T L Davis M S Brown-Brandl T | 2006 | Journal of Animal Science2006，84，3： | 1 |
| 8 | Metastable Co-Au alloys: example of an amorphous Ferromagnet 显示文摘 | Mader S Nowick A S | 1965 | Applied Physics Letters1965，7，： | 1 |
| 9 | Malignant biliary obstruction, general review and clinical practice 显示文摘 | Bonnel D Andre T Mader B | 2013 | Bull Cancer2013，100，： | 1 |
| 10 | Role of film formers in glass fibre reinforced polypropylene - new insights and relation to mechanical properties 显示文摘 | Mader E Moos E Karger-Kocsis J | 2001 | Composites: Part A: Applied Science and Manufacturing2001，32，5： | 1 |
| 11 | 显示文摘 | Jason C Wayne D Mader J T | 1988 | J Bone Joint Surg (Am)1988，70，： | 1 |
| 12 | Principles of external fixation and supplementary techniques in distal radius fractures显示文摘 | Gausepohl T Pennig D Mader K | 2000 | Injury2000，31，1： | 1 |
| 13 | A retrospective study of combined fixed-removable reconstruction with their analysis of failures显示文摘 | Studer SP Mader C Stahel W | 1998 | J Oral Rehabil1998，25，： | 1 |
| 14 | Hematogenous pyogenic spinal infections and their surgical management 显示文摘 | Hadjipavlou A G Mader J T Necessary J T | 2000 | Spine2000，25，13： | 1 |
| 15 | Nerve and vessel suppl- ying ligamentous suspension of the mammary gland显示文摘 | Wuringer E Mader N Posch E | 1998 | Plast Re- constr Surg1998，101，： | 1 |
| 16 | Solid lipid nanoparticles pro- duction, characterization and applications 显示文摘 | MEHNERT W MADER K | 2001 | Adv Drug Del Rev2001，47，23： | 1 |
| 17 | Homeobox gene distal-less is required for neuronal differentiation and neurite outgrowth in the Drosophila olfactory system显示文摘 | Plavicki J Mader S Pueschel E | 2012 | Proc Natl Acad Sci U S A2012，109，5： | 1 |
| 18 | Distraction arthrolysis with humero-ulnar motion fixator显示文摘 | Pennig D Gausepohl T Mader K | 2001 | Orthopade2001，9，： | 1 |
| 19 | Jet Initiation and Penetration of Explo- sive显示文摘 | C L Mader G H Pimbley | 1983 | Journal Energetie Material1983，1，： | 1 |
| 20 | Biomechanical comparison of tension band-and interfragmentary screw fixation with a new implant in transverse patellar fractures显示文摘 | Dargel J Gick S Mader K | | 0，，02： | 1 |
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