Laboratory for multiscale mechanics (LM2)

École Polytechnique de Montréal, Montréal, Québec
Area(s) of Expertise

The Laboratory for Multiscale Mechanics has developed an expertise in the fabrication of 3D- microstructures. Daniel Therriault’s research team aims to design new materials and integrates them into mechanical systems by using new microfabrication and nanofabrication techniques. Despite the advanced progress in recent years in manufacturing of 3D-printers, big challenges remain in making structures in micro/nano scale and in printing different materials with the desired electrical or mechanical properties. LM2 research team use I & J Fisnar and a custom made Micos nano station to make free-form 3D microstructures which is not possible to be made by 3D printers available in the market. These microstructures have been used for different applications such as MEMS, micro-antennas and lab-on-chip. LM2 group is also working on manufacturing new types of conductive materials useful for 3D printing of microstructures applicable in the field of microelectronics and sensors.

What the facility does

Micro-fabrication of advanced materials

Research Services

Micro- and nano-stations for additive manufacturing (e.g., 3D/printing of microstructures for different applications such as MEMS/ micro/antennas/ microfluidics/ lab/on/chip), equipment and resources to develop advanced materials (e.g. polymer/based nanocomposites/ materials with improved mechanical properties useful for aerospace industries or composites with desired electrical properties for microelectronics), high performance optical microscopes, research and development collaborations

Sectors of Application
  • Aerospace and satellites
  • Construction (including building, civil engineering, specialty trades)
  • Defense and security industries
  • Manufacturing and processing

Name of specialized lab

Name of equipment

Description of function

Mechanical characterization laboratory

Electromechanical machine (50kN)

Static testing frame with 50kN, 1kN, 100 kN and 5kN load cells.

Micro-fabrication of Advanced Materials

NanoMAX robot

The NanoMax robot is used to put filaments under tension

 

I&J Fisnar dispensing robot

Three dispensing robots, two used for 3D-printing of microstructures such as microcoil or scaffold, and one used for spraying thin films with high control on the film thickness. 

 

Micos dispensing robot

A costume-made dispensing robot with a displacement precision of 0.2 μm used for 3D- printing of microstructures

 

Olympus BX61 microscope

Traditional and fluorescence imaging. Magnification from 1.25x to 100x

 

Olympus SZX-12 microscope

Traditional and fluorescence imaging, color camera and magnification up to 230x

 

Sample preparation facilities

Mechanical polishing equipment and precision low-speed saw for polishing and cutting the samples in the required sizes

 

Solution-mixing facilities

Ultrasonic bath and hot plate/magnetic stirrer for different applications, such as dispersing nanofillers in a polymer matrix by solution mixing method

 

Special ventilated systems for the safe use of nanomaterials

The dispensing robots, extruder, three-roll mixer and spray system are placed in ventilated chambers to prevent the inhalation of toxic materials by the users. A fume hood is used for working with toxic volatile materials.  A glove-box is used for handling of carbon nanomaterials, such as carbon nanotubes and graphene with high security.

 

EXAKT 80E three-roll mill

Three-roll mill for mixing of nanofillers in polymers with electronic control of all the mixing parameters (gap and operating speed) which assures reproducibility.

 

DSM Xplore micro-extruder

Micro-extruder has 5 ml volume capacity and a maximum temperature of 400oC. The twin screw revolution can go up to 400 rpm.

 

8000M SPEX SamplePrep ball mill mixer

Efficient mechanical mixer for paste-like materials

 

ScanVac centrifuge

Centrifuge with the maximum speed of 2000 rpm for separation of solid and liquid phases in a short time.

 

StableTemp vacuum ovens

Two vacuum ovens capable of heating up to 280 °C under vacuum, air or nitrogen atmosphere

 

Makerbot Replicator 2 3D-printer

3D- printer used for making different lab requirements such as different types of moulds for composites

 

Leapfrog Creatr single extruder 3D printer

3D printer used for making different pieces of laboratory equipment 

 

Leapfrog Creatr dual extruder 3D printer 

3D printer used for making different samples and studying the effect of manufacturing settings on their mechanical properties

 

Form 1 3D printer

3D printer used to make hybrid polymer or metallic structures

  • Bombardier Aerospace
  • Bell Helicopter Textron Inc.
  • 3M Canada
  • MDA Corporation
  • Velan Inc.

Title

URL

Videos showing the processes of LM2 labs

http://www.polymtl.ca/lm2/en/video/index.php

Publications

http://www.polymtl.ca/lm2/en/publications/index.php

Manufacturing of three-dimensionally microstructured nanocomposites

https://www.youtube.com/watch?v=jL2jyi_j_lY

Manufacturing of three-dimensionally microstructured nanocomposites through microfluidic infiltration (Video released in JoVE (Peer-reviewed scientific video journal))

http://www.jove.com/video/51512/manufacturing-three-dimensionally-microstructured-nanocomposites

3D-printing of multifunctional nanocomposite helical Liquid Sensor

https://www.youtube.com/watch?v=k2llpy8lh9A

Solvent-cast direct-write printing of a microstructured fiber

https://www.youtube.com/watch?v=FzWDj8tgb18

Solvent-cast direct-write fabrication of tensile coupon

https://www.youtube.com/watch?v=hrmeZQC7M-M

Solvent-cast direct-write fabrication of a scaffold

https://www.youtube.com/watch?v=FPtFpBneMIE

Solvent-cast direct-write fabrication of a micro-cup

https://www.youtube.com/watch?v=IXMCSkj5TlI

Solvent-cast direct-write fabrication of a circular spiral v4

https://www.youtube.com/watch?v=z036i7xZPcg