Assessment - Mercedes Benz

Material Test Group
28.06.2012 Mercedes-Benz Türk Istanbul

Index
1. Accredited test scopes
2. Metal material tests
3. Non-Metal material tests
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Accredited test scopes
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Accredited test scopes
1.Chemical Analysis
1.1 Spectrometric (OES) elemental
analysis for low alloyed steel:
%C,%Si,%Mn,%P,%S,%Cr,%Mo,%Ni,%Al,%Cu,
%Pb,%V,%As.
2. Physical Analysis
2.1 Tensile strenght tests for plate steels.
EN ISO 6892-1 thickness,1-15mm
2.2 Microvickers hardness tests HV0.3- HV10
EN ISO 6507-1
2.3 Martindale abrasion tests for fabrics DIN EN
ISO 12947-2
2.4 horixontal / vertical burning behaviour tests
95/28EC, ECE-R 118,FMVSS302, CMVSS302
2. Physical Analysis
2.5 Burning behaviour drop tests
95/28EC, ECE-R 118
2.6 Buring behaviour tests for electircal wires
ECE-R 118
2.7 Determine the capability of isolution materials
to repel fuel or lubricant ECE-R 118
2.8 Xenontest colorfastness and ageing test for
non-metal materials.
(DIN EN ISO 105-B06)
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1. Chemical Analysis
1.1 Spectrometric analysis
- Elemental analysis for low alloyed steel
were performed with ARL 3460 optic emission
spectrometer (OES). The results given in % units from
the computer in less then 30sec.
The inspected elements are
%C,%Si,%Mn,%P,%S,%Cr,%Mo,
%Ni,%Al,%Cu,%Pb,%V,%As,
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2. Physical Analysis
2.1 Tensile strength tests according to
DIN EN ISO 6892-1 with ZWICK Z600
tensile test equipment
•Material Steel plates:
•Thickness,1-15mm
•Max. capasity 600kN
•working distance max.1940mm
•Working width max. 740mm
2.2 Micorvickers hardness tests
according EN ISO 6507-1 with ZWICK ZHV 10 test
equipment. HV 0.3 - HV10
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2. Fiziksel Testler
2.3 This part of IS0 12947 is applicable
to the determination of the inspection
interval to breakdown of specimens
covering all textile fabrics including
nonwovens apart from fabrics where the
specifier indicates the end performance
as having a low abrasion wear life. In
accordance to DIN EN ISO 12947-2
2.4 According to 95/28EC, ECE-R118,
FMVSS302, CMVSS302 regulations
determining of the horizontal and vertical
burning behaviour of non-metal materials
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2. Physical tests
2.5 According to 95/28EC, ECE-R118, FMVSS302,
CMVSS302 regulations determining of the melting
burning behaviour of non-metal materials
2.6 Electric cables shall undergo the resistance to flame
propagation test described in ISO standard 6722,
paragraph 12. Minimum of 50 mm insulation at the top of
the test sample shall remain unburned.
2.7 Determining the cabability to repel fuel or lubircant of
insulation materials used in the engine compartment and
any seperate heating compartments.
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2. Physical tests
2.8 XENON TestSpecification of colour fastness (to light at high
temperatures) and ageing (to light at high temperatures) to artificial light at
high temperatures in accordance with DIN EN ISO 105-B06:
.Fastness to light at high temperatures
End point determination: Exposure up to DE 4.3+/-0.4 of fastness type 6
(irradiated/covered). Color measurement of the fastness type using a white reference
tile as an underlay.
Assessment: Comparison of irradiated specimen with original specimen with
illuminant type D65. Assessment with blue scale (fastness types)
Determination of ageing to light at high temperatures
End point determination: as for fastness to light at high temperatures, but involving
several, successive cycles.
Assessment: Comparison of irradiated specimen with original
specimen with illuminant type D65. Assessment with grey scale
to DIN EN 20105-A02 Common applications include:
• Automotive coatings, fabrics and plastics
• Packaging, Paints, coatings and pigments, Plastics, Window
profiles
• Textiles including industrial and geotextiles
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Metaltests
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Index
1 Chemical Analysis
1.1 Carbon/Sulphur Determination
1.2 Spectrometric analysis
2 Physical Characteristics
2.1 Tensile strength tests
2.2 Bending and compression tests
2.3 ERICHSEN cupping tests
2.4 Welding control
2.5 Welding and material defect
control
with penetrant liquid
2.6 Spot welding control
2.7 Hardness Tests
3 Metallography
3.1 Analysis with metallurgia microscope
3.2 Analysis with stereo microscope
4 Welding technique
4.1 Welding training according to DIN EN
287
4.2 Welding control according to DIN EN
5817
4.3 Parameter adjustment of welding
equipment
4.3 Consultant services for suppliers
5 Sample preparation
5.1 For metallography and hardness tests
5.2 for spectrometer and tensile stregth
analysis
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1. Chemical Analysis
1.1 Carbon / Sulphur determination in
ferrous alloys
•Analysis performed with LECO
C-S 230
•% C and % S amount is measured with
0,00001 accuracy
1.3 Spectrometric analysis
- Ferrous Fe alloys
- Aluminium Al alloys
- Coopfer Cu alloys
- Zinc Zn alloys
Are conducted with ARL 3460 optic emission
spectrometer. Analysis are performed in less than
one minute and results are given by the computer.
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2. Physical Analysis
2.1 Tensile, Bending and Compression tests
Tests are performed according EN ISO6892
with ZWICK Z600 tensile testing machine.
For metallic materials
Mills, pipes and metal plates
•Max.600kN capasity
•1940mm working distance
•740mm max. Working width
2.2 ERICHSEN Cupping Test
Sheet Metal Test is with ERICHSEN 102 Deep Drawing Cup according to DIN50101.
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2. Physical Characteristics
2.3 Welding Control
•Destructive
•Non-destructive (with penetrant liquids)
•Welding and material defect control with penetrant liquid
• Destructive
• Ultrasonic detector
2.4 Spot Welding Control
Non-destructive
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2. Physical Characteristics
2.5 Hardness Tests
•Result units in Rockwell, Brinell and Vickers
•Pressure force between 20-3000 kg
•For all metallic material hardness tests
Hardness of the samples prepared according to DIN Standarts
is measured at Duravision300 hardness tester in accordance with
the standarts given below:
Brinell HB hardness: DIN 50 351
Vickers HV hardness: DIN 50 133
Rockwell HRC, HRB, HRA hardness: DIN 50 103
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3. Metallography
Microstructure, welding and fracture
analysis are conducted by the equipment
given below.
•Inverted Research Metallurgica
microscope
OLYMPUS PMG 3
•Stereo Mikroscope OLYMPUS SZH 10
•Visualizer WOLFVİSİON VZ-9
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4. Welding Technique
At the Welding Training Center
• MIG/MAG and TIG training in accordance with DIN EN 287 is conducted for welders
and trainees at the production, as well as for the welders of suppliers
• Parameter adjustments of welding machines in production are inspected
• In case of problems consultant services to suppliers are offered
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5. Sample Preparation
5.1 For metallography and hardness tests
• Cutting
• Precision cutting
• Hot mounting
• Polishing
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5. Sample Preparation
5.2 For wet chemical analysis and
spectrometer
• Analytical balance for weight
measurement of samples
( 0.0001g accuracy)
• Analytical balance for weight
measurement of chemicals
( 0. 01g accuracy)
•Drilling machine
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5. Sample Preparation
5.2 For wet chemical analysis and
spectrometer
• Grinding machine for
spectrometer sample preparation
• Furnace
• Fine grinding machine for
spectrometer sample preparation
• Drying oven
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Non-Metaltests

Services Offered
1. Chemical Analysis
1.1 Gravimetric Analysis Determination of filler
content
1.2 Pyrolysis testing
1.3 Determination of glasfiber amount
2. Physical Tests
2.1 Shore A / Shore D hardness measurement
2.2 Ball indentation hardness test
2.3 Compression set
2.4 Tension set
2.5 Tensile strength / Elongation at break
2.6 Tear propagation resistance
2.7 Peeling adhesion test
2.8 Peening pressure
2.9 Jib adhesion strength
2. Physical Tests
2.13 Resistance to friction
2.14 Determination of impact properties
2.15 Determination of Vicat softening temperature
2.16 Density
2.17 Mass per unit area
2.18 Water content
2.19 Refractive index
2.20 Kinematic viscosity measurement - Ubbelohde
method
2.21 Flash and fire point
� Cleveland Method
� Abel-Pensky Method
2.22 Boiling point
3. Weathering Test
2.10 Bending strength / bending at maximum bending 3.1 Wash-out discolouration
force
3.2 Ozone resistance
2.11 Stitch pull strength
2.12 Shearing strength
3.3 Low/high temperature behaviour
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Services Offered
3. Weathering Test
3.4 Ageing tests
� Hot air ageing
� Testing in ASTM oils
� Testing with coolants (antifreeze)
� Testing in fuels
� Ageing cycle
� Water storage
� Xenotest (DIN EN ISO 105-B06)
4. Instrumental Analysis
4.1 FTIR –Spektrophotometer analysis
4.2 Gas chromatography analysis
4.3 potansiometric titration analysis
4.4 DSC analysis
4.5 TGA analysis
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1. Chemical Analysis
1.1 Gravimetric Analysis: Determination
of filler content. The method according to
the standarts DIN 53568 / DIN 53395 /
DIN EN 60 is used for determining the
residue on ignition produced by plastics,
rubber and elastomers without pretreatment.
1.2 Pyrolysis testing
Determination of plastic materials with the
pyrolysis technic and inspecton with FTIR
1.3 Quantative determination of glassfiber in reinforced
plastics according to DIN EN 60.
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2. Physical Tests
2.1 Shore A/Shore D hardness
•Plastics
•Rubber
is measured according to DIN 53 505 with Zwick
7206 hardness tester.
2.2 Ball indentation hardness test
Measurements according to DIN EN ISO 2039-1 with
Zwick 3106 hardness tester.
2.3 Compression set
•Rubbers
•PU (Polyurethane materials)
is determined according to DIN ISO 815 and Daimler-
Benz specifications.
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2. Physical Tests
2.4 Tension set
Tension set of rubber is determined according
to DIN ISO 2285 and Daimler-Benz
specifications.
2.5 Tensile strength / Elongation at break
•rubber
•plastics
•textile
•1K-PUR adhesives
•Floor covering
•Leather and artifical leather
•Sticky bands
DIN EN ISO 527-1/2/3
DIN EN ISO 1798
DIN 53328
DIN EN ISO 13934-1
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2. Physical Tests
2.6 Tear propagation resistance
•Rubber
•Textile
•Leather and artificial leather
is determined with Zwick 1141.
Tensile Testing Machine following VDA675210,
VDA 675211B, DIN 53 356, DIN 57859-5
and DIN EN ISO03377-1/2.
2.7 Peeling adhesion test
•Tissue reinforced elastomers
•Textile reinforced hoses
according to DIN 53 357 and DIN
53 530 with ZWICK Z010 Tensile
Testing Machine.
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2. Physical Tests
2.8 Peening pressure
Measurement of peening pressure of textile reinforced hoses
according to DIN53758 with the specified apparatus.
2.9 Jib adhesion strength
Determination of adhesion strength of rubber containing jibs
according to DIN ISO 6133 and Daimler-Benz specifications.
2.10 Bending strength / bending at maximum bending force
•Plastic
•Plywood
is determined according to DIN 53 452 and DIN EN 310 with ZWICK Z010.
2.11 Stitch pull strength
The stitch pull strength of leather, artificial leather and similar materials
is determined according to DIN EN ISO 13936-2
with ZWICK Z010 Tensile Testing Machine.
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2. Physical Tests
2.12 Shearing strength
•Labels
•Sticky bands
is determined according to DIN 53 278 and DIN 50 017.
2.13 Resistance to friction
•Textile
•Leather and artifical leather
•Floor coverings
according to DIN 54 021 with Crockmeter.
2.14 Darbe Test cihazı
This part of ISO 179/180 specifies a method for determining the
Charpy/Isod/Dynstat impact strength of plastics under defined
conditions. A number of different types of specimen and test
configurations are defined. Different test parameters are specified
according to the type of material, the type of test specimen and the
type of notch.
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2. Physical Tests
2.15 This international standart En ISO 306 specifies 4 methods for
the determination of the Vicat softening temperature ( VST) of
thermoplastic materilias.
-- Method A50 using a force of 10 N and a heating rate of 50°C/h
-- Method B50 using a force of 50 N and a heating rate of 50°C/h
-- Method A120 using a force of 10 N and a heating rate of 120°C/h
-- Method B120 using a force of 50 N and a heating rate of 120°C/h
The methods specified are applicable only to thermo-
Plastics, for which they give a messure of the temperature
at which the thermoplastics starts to soften rapidly.
The temperature at which a standart indenting tip with a
Flat point penetrates 1mm into the surface of a plastic
Test specimen is determined.
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2. Physical Tests
2.16 Density
•Density of solids is determined according
to DIN EN ISO 1183 and DIN 53 420.
•Density of liquids is determined according to DIN 51 757
with PAAR Density meter.
2.17 Mass per unit area
•Textile
•Leather and artifical leather
Determined according to DIN EN 12127,DIN 53 352,
DIN ISO 536 and DIN ISO 2420.
2.18 Water content
•Plastic
•Wood and plywood
Determined according to DIN 50 011, DIN 53 304, DIN 52 183
and DIN 52375.
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2. Physical Tests
2.19 Refractive index
Refractive index is determined according to DIN 51
423 with Atago refractometer.
2.20 Kinematic viscosity measurement –
(Ubbelohde method Measurement) of kinematic
viskosity of automotive oils according to DIN 51
562 with Schott AVS - 440
capillary viscosimeter.
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2. Physical Tests
2.21 Flash/fire point
of automotive oils is determined according to
a) Cleveland Method DIN EN ISO 2592
b) Abel - Pensky Method DIN 51 755
of solids is determined according to DIN 53 479
and DIN 53 420
of liquids is determined according to DIN 51 757
with PAAR Density meter
2.22 Destillation
Distillation range of petroleum products is measured
according to DIN 51 751 with Petrotest distillation
apparatus.
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3. Weathering Test
3.1 Wash-out discolouration
Wash-out discolouration of rubber is determined
according to VDA 675 242.
3.2 Ozone resistance
Ozone resistance of rubber is determined
According to VDA 675 311 at Hampden
Ozone Testing Cabinet.
3.3 Low / High temperature behaviour
Hot storage behaviour and
the change ofDimensions is
determined according to
DIN 53 497 and DIN 53 377.
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3. Weathering Test
3.4 Ageing tests
•Hot air ageing
of rubber and adhesives according to DIN 53 508, VDA 675 310
and Daimler-Benz specifications
•Testing in ASTM mineral oils
of rubber according to DIN 53 521
•Testing with coolants (antifreeze)
of rubber according to VDA 52 103
•Testing with test fuels
of rubber according to DIN 51 604 and VDA 675 302
•Ageing cycle
of adhesives in alternating ageing environments e.g. at
room temperature, in hot and cold environment at
humidity cabinet.
•Water storage
of plywood and adhesives according to Daimler-Benz
specifications.
•Xenotest (DIN EN ISO 105-B06)
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4. Instrumental Analysis
4.1 FTIR Spectrophotometer Analysis
•Qualitative/quantitative analysis of rubber, plastics, textile, adhesives
and oil are conducted by Perkin-Elmer FTIR Spectrum One instrument.
•Direct analysis of small-sized materials without pretreatment is
conducted with Split-Pea measurement unit.
4.2 Gas chromatography Analysis
Qualitative/quantitative analysis of volatile organic materials
(particularly solvents) is conducted with Perkin-Elmer Autosystem GC.
4.3 Potansiometric titration analysis
•Conducted by Mettler DL 70 Potansiometric titration instrument
•In automotive oils, determination of total base number according to
DIN ISO 3771
•Total acid number according to ASTM D 664
•Determination of water content in engine oil and solvents according to
Karl-Fischer method DIN ISO 3733
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4. Instrumental Analysis
4.4 DSC Analysis
DSC Analysis performaned with Netzsch DSC 204.
Determination of polymetric materials with regard to:
•Glass transition temperature
•melting range
•degree of crystallinity
•heat capacity
•oxidation and thermal stability
4.5 TGA analysis
•Materials are broken down into their constituents by heat
•Qualitative/quantitative analysis are conducted with Netzsch TG
209.
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