Nano Technology Expert | Lecturer at...
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Nano Technology Expert | Lecturer at Al-Imam
Mohammed Bin Saud University, Riyadh
Lecturer at Al-Imam Mohammad Bin Saud University,
Riyadh , KSA
Bachelor in Chemistry, KSA
Diploma in English, Canada
Master's in Nanotechnology, Australia
Personal Development Coach
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1. What/Why Nanotechnology?
2. Identification of different applications of
nanotechnology in constructions
3. Various nanomaterials in constructions
4. Real life examples
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DEFINITION OF NANOTECHNOLOGY
WHAT IS NANO SCALE?
One nanometer (1 nm) is about 3 atoms long.
1 nm is equal to a billionth of a meter (10 -9 m).
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Nanotechnology is defined as a material,
device, or system, which can be precisely
controlled in shape and size at a nanoscale.
This can be fabricated in particular designs,
productions, characterizations and used in
various applications.
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“Bottom-Up Approach”
Creating Nano-scale
materials by physically or
chemically breaking down
large materials.
Assembling Nano materials
atom-by-atom or molecule-by-
molecule (self assembling).
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what makes it important?
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Applications of Nanotechnology in
Construction & Buildings
Nanotechnology is widely used in
construction material such as:
In Concrete
In Steel
In coating
In Glass & Ceramic
In Wood
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Nanotechnology can modify the structure
of concrete material and finally improves
in properties of materials as:
1. Bulk density
3. Volume stability
4. Durability
2. Mechanical performance
5. Sustainability of concrete
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Types of Nanomaterial used in concrete:
- (1%) Carbon nanotubes/nanofibers (CNTs/ CNFs)
- Nano silica (𝑛𝑎𝑛𝑜 𝑆𝑖𝑂2)
- Titanium dioxide (𝑛𝑎𝑛𝑜 𝑇𝑖𝑂2)
- Nanoclay particles
- Nano-iron (𝑛𝑎𝑛𝑜 𝐹𝑒2𝑂3)
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Disadvantages:
Fatigue (stress rises)
small resistance against fire (>750 F)
Brittle' Under certain conditions steel
may lose its ductility (HAZ)
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Need of Nanomaterials in Steel:
Vanadium (V) and molybdenum (Mo) NPs >>>
improve the delayed fracture problems associated
with high strength bolts
Magnesium (Mg) and calcium (Ca) NPs makes
the (HAZ) grains finer in plate steel >>> increase
in weld toughness
Copper NPs >>> reduces the surface roughness/
unevenness of steel & increases safety
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Two international products of nanostructured steel
alloys in market:
Sandvik Nanoflex: (high qualities of a high
Young’s Modulus, high strength and
resistant to corrosion)
MMFX2 steel: Improved mechanical
properties compered to conventional steel
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Fire protection (𝑛𝑎𝑛𝑜 𝑆𝑖𝑂2)
Self- cleaning & anti-dirt/fouling
surfaces (𝑛𝑎𝑛𝑜 𝑇𝑖𝑂2)
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https://www.youtube.com/watch?v=hmHVeHsF8KA
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𝒏𝒂𝒏𝒐 𝑇𝑖𝑂2 coatings on roads
for pollution reduction
Nano house , Australia
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• Addition of Nanoparticles have shown significant
improvements than conventional construction
materials
• It is infinitely big and will make a lot of inventions
come true in construction and buildings
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• http://www.nano.utexas.edu/resources
• https://www.slideshare.net/makadelhi/nanotechnology-11514618
• https://www.asme.org/engineering topics/articles /bioengineering / nanotechnology-connects-dots-disease-detection
• https://www.iupac.org/publications/ci/2009/31
• https://www.slideshare.net/subashjohn1/nano-solar-cells01/4 coulsey.html
• http://www.nanocare-ag.com/glas_keramik/
• http://www.seminarsonly.com/Civil_Engineering/nano-concrete-seminar-ppt.php
• https://www.slideshare.net/abiramprince/nanotechnology-for-security
• https://www.hessen-nanotech.de/mm/NanoEnergy_web.pdf
• http://www.nanowerk.com/what_is_graphene.php
• https://www.youtube.com/watch?v=qSYnGxzHA00
• http://www.understandingnano.com/nanotechnology-energy.html
• http://www.nanowerk.com/nanotechnology-in-energy.php
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