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These offers are dedicated to mexicain or brazilian nationality masters student only because of the finding of the 3 years fellowship by CONACYT (mexico) or ciencas sin frontera (Brazil) and French government. The PhD will be done at MAPIEM laboratory at University of Toulon

http://mapiem.univ-tln.fr

Thesis supervisor : Pascal Carriere pascal.carriere@univ-tln.fr

 

1. Elaboration and characterization at nano and microscale of smart interphases for advanced self-healing composites

 

Aerospace, automotive, marine, biomedical, sport or wind energy industries used fiber-reinforced polymer composites. Their longer term fatigue resistance depends largely on the integrity of the bonding at the interphase region between the polymer matrix and the reinforcing fiber. The PhD student will develop advanced composites with smart interphases able to self-healing. Various systems were utilized to prepare thermo or mechano-responsive surfaces. These functionalized surfaces will be nanostructured to improve interfacial adhesion and subsequent durability i.e. marine environment. The candidate will design, prepare and characterize these smart surface and interphase at nano and microscale using AFM, MET, XPS, PM-IRRAS, Raman and thermo-mechanical properties by nanoindentation, nanothermal analysis, Flash DSC or dynamic mechanical analysis. The candidate should be keen on chemistry, physical chemistry, nanotechnology and should have good knowledge on polymer and material sciences.

Many facilities to elaborate and characterize interfaces at micro to nanoscale are available at laboratory like AFM with nanothermal analysis with heating tip or RAMAN microscopy, PM-IRRAS spectroscopy and ageing devices.

Candidates profile:

Master student in physic or physical chemistry with knowledge of polymer science or chemistry with skills in polymer science.

The candidate must be keen on modified surface by imprint process or self assemble molecule at surface and on the characterization of mechanical and thermal properties at nanoscale using Atomic Force Microscopy with different mode (friction, thermal, mechanical (peakforce tapping mode)).

Submit a resume and a cover letter by email to the following address before 30th april
pascal.carriere@univ-tln.fr
http://mapiem.univ-tln.fr

2. Block Copolymers Nanostructuration of Newly Bio-based Polyepoxydes to Improve their Durability : Elaboration and characterization

Elaboration of biopolymer-based nanostructured materials only recently gained attention. The main disadvantages of biopolymer materials like plastics and coatings are water sensitivity or low mechanical strength. New ways were developed, improving the properties, such as the development of biopolymer interpenetrating networks and organic inorganic hybrids. The main goal is to better identify the behavior and the weaknesses of these new nanostructured materials during aging in humid environment and to develop solutions to improve their durability. PhD student will first develop the ability to design and characterize products with structural features on a nanometric scale using block copolymers and click chemistry. Then, PhD will seek to model the aging biobased polyepoxides networks : kinetic of water absorption, thermo- mechanical properties at nano and microscale using available techniques at MAPIEM laboratory : AFM, nanothermal analysis, FT-IR, Raman, DMA, DEA.

Candidates profile:

Master student in chemical polymer or chemistry with skills in polymer science.

The candidate must be keen on modified biobased epoxy and on the characterization of mechanical and thermal properties and structural properties of polymer matrix materials.

Submit a resume and a cover letter by email to the following address before 30th april 2015
pascal.carriere@univ-tln.fr
http://mapiem.univ-tln.fr

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