Micrographs
Image 1: technical zinc
- component/application: galvanizing
- material: technical zinc
- structure: zinc crystals
- structural features: acicular twins
- phases: zinc
- objective: 5x/0,13
- magnification: 50x
- lighting technology: Nomarski interference contrast
- etching method: 1% alcoholic nitric acid
Image 2: X10CrNi18-8
- component/application: antenna wire
- material: X10CrNi18-8
- heat treatment: solution-annealed
- structure: austenite
- structural features: parallel twin boundaries
- phases: γ-Fe
- objective: 20x/0,4
- magnification: 200x
- lighting technology: bright field
- etching method: Bloech and Wedl I
Image 3: C15
- component/application: gear wheel
- material: C15
- heat treatment: normalized
- structure: ferrite, pearlite
- phases: α-Fe, α-Fe + Fe3C
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 4: C35
- component/application: clutch component
- material: C35
- heat treatment: normalized
- structure: ferrite, pearlite
- phases: α-Fe, α-Fe + Fe3C
- objective: 50x/0,7
- magnification: 500x
- lighting technology: polarization
- etching method: Nital
Image 5: C45
- component/application: gear shaft
- material: C45
- heat treatment: normalized
- structure: ferrite, pearlite
- structural features: pearlite lamellas
- phases: α-Fe, α-Fe + Fe3C
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 6: C60
- component/application: practical course
- material: C60
- heat treatment: normalized
- structure: ferrite, pearlite
- phases: α-Fe, α-Fe + Fe3C
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 7: C60
- component/application: practical course
- material: C60
- heat treatment: oil quenching
- structure: martensite, bainite, pearlite, ferrite
- phases: α-Fe, α-Fe + Fe3C
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 8: C60
- component/application: practical course
- material: C60
- heat treatment: water quenching
- structure: martensite
- phases: α-Fe
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 9: C60
- component/application: practical course
- material: C60
- heat treatment: tempered
- structure: tempered martensite, carbides
- phases: α-Fe, FexC
- objective: 50x/0,7
- magnification: 500x
- lighting technology: bright field
- etching method: Nital
Image 10: C130
- component/application: piercing mandrel
- material: C130
- heat treatment: GKZ (annealed, consisting of spheroidal carbides)
- structure: ferrite, spheroidite
- phases: α-Fe, Fe3C
- objective: 100x/0,9
- magnification: 1000x
- lighting technology: bright field
- etching method: Nital
Image 11: C135
- material: C135
- heat treatment: normalized
- structure: pearlite + grain-boundary cementite
- objective: 50x/0,7
- etching method: Klemm I
Image 12: Brass
- material: special-purpose brass
- structure: yellow/red: ß'-brass, light gray: α-phase, dark gray: NiAl (starlike)
- objective: 50x/0,7
Image 13: X10CrNi18-8 and C15
- material: X10CrNi18-8 and C15
- objective: 10x/0,25
- etching method: Adler
Image 14: C130
- material: C130
- heat treatment: hardening (quenched from 930 °C)
- structure: martensite (colored needles), reatained austenite (bright spacings)
- objective: 50x/0,7
Image 15: Pure titanium (semi-deformed)
- material: pure titanium (semi-deformed)
- objective: 20x/0,4
- etching method: Weck
Image 16: Bronze
- material: Bronze
- structure: Cu-Sn solid solutions
- objective: 50x/0,7
- etching method: Klemm II
Image 17: X6CrNiMoTi17-12-2 (pitting corrosion)
- material: X6CrNiMoTi17-12-2 (pitting corrosion)
- structure: austenite
- objective: 20x/0,4
- etching method: Beraha II
