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Metallographic CLASS Procedures

Click on image or table below for preparation guidelines:

CLASS-1 Procedures CLASS-11 Materials Preparation CLASS-10 Materials Preparation CLASS-9 Materials Preparation CLASS-8 Materials Preparation CLASS-7 Materials Preparation CLASS-6 Materials Preparation CLASS-5 Materials Preparation CLASS-4 Materials Preparation CLASS-3 Materials Preparation CLASS-2 Materials Preparation CLASS-1 Materials Procedures

Metallographic CLASS Procedures - Icons

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Aluminum Copper Lead, tin, zinc Polymer Matrix Composites
Metallographic CLASS 1 procedures

Precious Metals Refractory Metals
Metallographic CLASS 2 procedures

Cast Irons
Metallographic CLASS 3 procedures

Electronic Components Rare Earth
Metallographic CLASS 4 procedures

Stainless steels Soft Steels
Metallographic CLASS 5 procedures

Super Alloys Titanium
Metallographic CLASS 6 procedures

Thermal Spray Coatings
Metallographic CLASS 7 procedures

Hard Steels
Metallographic CLASS 8 procedures

Stainless steels Soft Steels
Metallographic CLASS 9 procedures

General Ceramics Engineering Ceramics Ceramic Matrix Composites
Metallographic CLASS 10 procedures

Metal Matrix Composites
Metallographic CLASS 11 procedures


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Metallographic Procedures - Table

Rhenium Niobium Tungsten
CLASS-1
(Soft, Ductile Materials)
2024 Aluminum 6061 Aluminum 7075 Aluminum Aluminum-Silicon Alloy Zinc-aluminum alloy
Tough Pitch Copper Copper / Stainless Steel Weld Copper - Zinc alloys Manganese-Aluminum Bronze Nickel-Iron Bronze Brass
Lead, tin, zinc Pure Zinc Zinc-aluminum alloys Tin Tin alloys Lead and lead alloys
Polymer Matrix Composites Carbon-carbon Boron-graphite Glass fiber composite Polymer graphite composite
CLASS-2
(Very soft, Low Ductility Materials)
Gold Silver Platinum
Rhenium Niobium Tungsten
CLASS-3
(Lower Ductility Metals)
Sintered Iron Tungsten
Cast Iron Hard Ferrous Alloys
CLASS-4
(Soft Brittle Non-metals)
AlN Electronic Substrate BeO Electronic Substrate Gallium Arsenide Substrate Multi-layer Capacitor Nickel-Zinc Ferrite Silicon Substrate Solder with Ceramic Substrate Solder on Non-ceramic Substrate MEMS (Microeletromechanical) Devices PZT (piezoelectric) Devices
Neodymium alloy
CLASS-5
(Medium Hard/ Ductile Metals)
Stainless Steel Stainless Steel weld with Copper
Low Carbon Steel - ferrite / pearlite Low Carbon Steel - bainite Steel - Welding Fillet Weld and Analysis
CLASS-6
(Tough, Hard Non-ferrous Metals)
Hastelloy alloys Inconel Inconnel Weld Turbine blade (Nickel alloys) Nimonic 90 Superalloy Fe-Ni-Co-Al Alloy Cast Cobalt Alloy Wrought Nickel
Ti6Al4V Cast Titanium Wrought Titanium Steel-Titanium Weld
CLASS-7
(Thermal Spray Coatings)
NiCr Thermal Spray Coating Ceramic Coated Turbine blades Tungsten-Cobalt Thermal Spray Coating Nickel-Aluminum-Moly Thermal Spray Coating Nickel-Aluminum Thermal Spray Coating
CLASS-8
(Hardened Steels)
High Carbon Steel (1095) Manganese Vanadium Tool Steel Nitrided Steel
CLASS-9
(Metal Matrix Composites)
SiC aluminum composite Titanium-SiC composite to Carbon Steel Weld ZrB2 titanium composite
CLASS-10
(Engineered Ceramics)
Alumina ALON BeO Cordierite Mullite Sapphire Steatite
SiAlON Silicon-Silicon Carbide Silicon Nitride Zirconia
Hafnium Diboride in a Boron Nitride Matrix SiC fibers - Silicon Nitride matrix SiC particles - Silicon Nitride matrix SiC particles - Zirconium Diboride Matrix
CLASS-11
(Very Hard Brittle Materials)
Alumino-Silicate glass CuFeS2/MoS2 concentrate Graphite Slag Periclase
Tungsten Carbide


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