Profile and Competences of Physical Metallurgy Laboratory

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Figure
1

Contents

Profile and Competences of Physical Metallurgy Laboratory


Aristotle University of Thessaloniki

School of Engineering

Mechanical Engineering Department

05.10.2007

Figure
2

Contents

Location

Figure
3

Contents

PML in the AUTh

*PML was established in 1974

Aristotle University of Thessaloniki


(
AUTh
)



School of Engineering







Mechanical

Engineering

Chemical

Engineering

Electrical

Engineering

Rural &

Surveying

Civil

Engineering

Architecture

Urban
-
Regio
-

nal Planning

Design & Manufacturing

Industrial management

Energy

Physical Metallurgy

Laboratory (PML)*

2 labs

EEDM

4 labs

LMEMD

MDL

Sectors

Departments

Laboratories

Schools

Figure
4

Contents

Staff
-
education

The staff of PML consists of:



3 Academic Personnel



Prof. D.N. Tsipas



Prof. S. Skolianos



Assist. Prof. N. Michailidis



1 Research & teaching assistant



2 Technical staff



1 Secretary



3 Post Doc researchers



15 PhD Students



approx. 10 Students working on diploma thesis

PML offers a post
-
graduate diploma

in the field of:
“Technology and Processes of

Advanced Materials”

Figure
5

Contents

Main research activities and offered services

Main research activities:



Surface Engineering and Coatings



Corrosion and Protection of Materials (accredited by ISO 17025)



Solidification, Casting and Welding,



Metal Matrix Composite Materials



Metallic Foams



Heat Treatments, Influence of microstructure of materials in their properties



Materials characterization



Life Cycle Analysis


Materials Recycling


Waste utilisation



Materials’ mechanical properties characterization and modelling

Services offered:



Materials failure and Materials Selection



Metallographic and microstructural studies



Corrosion and Corrosion Protection studies



Heat treatments and Surface Engineering



Alloy development and casting of materials



Characterization of mechanical properties and modelling

Figure
6

Equipment

Samples preparation

Abrasive Cutter

Precision Saw

Specimen Mounting Press

Fully Automatic Preparation System

Figure
7

Equipment

Casting and heat
-
treatments

Solidification equipment, Melting furnaces, Heat treatment
furnaces (controlled atmosphere), Directional solidification
set
-
up, etc

Induction heating furnace

Vacuum furnace

High temperature furnace

Figure
8

Equipment

Coatings production and Welding

Fluidized Bed (CVD) Reactors

Welding machines


SMAW, GTAW
(TIG), GMAW (MIG)

Plasma

Mechanical Alloying

Figure
9

Equipment

Corrosion

Atmospheric Salt Spray Corrosion

Electrochemical corrosion

Complementary
equipment

Conditioned
chamber

Water baths

Figure
10

Equipment

Measuring and characterization

Stereo
-
microscope

Micro
-

& macro
-
hardness

Optical microscopy
-

Image Analysis

SEM (Low Vacuum Mode) with
in situ mechanical micro
-
test

hot stage

micro
-
test

Figure
11

Equipment

Measuring and characterization

Surface Impact tester



Pin on Disc



Particle erosion



High temperature particle erosion



High Temperature Oxidation



Thermal spray

Figure
12

Typical research examples

Metallic foams for heat
-
transfer and volumetric receivers

under concentrated solar radiation

In collaboration with the
Laboratory

of Fluid Mechanics & Turbomachinery

of

AUTh

Figure
13

Typical research examples

Mechanical loading of metallic foams

Figure
14

Typical research examples

Process development and characterization of coated metallic foams’ thermal behavior


1

2

3

Inconel foam coated with B/Al
slurry coating

XRD verification

Increase of the thermal stability and mechanical strength of metallic foams

Figure
15

Life Cycle Assessment Methodology

WORKING FLOWCHART

According to environmental LCA
ISO 1404X

Figure
16

Life Cycle Assessment of Solar Energy Systems


Comparison of environmental impacts

PV elec. /Public Corp. of Elec (
ΔΕΗ
)
-

ELECTRICITY

solar heating / electricity / natural gas
-

DHW


7
,
49

3,41

210

53,2

23,6

Thessaloniki’s

conditions