Micrograph Library for Very Strong Bainite - Part 5

Francisca G. Caballero, Carlos Garcia Mateo and H. K. D. H. Bhadeshia

The first cheap bulk nanostructured alloy which can be produced in large quantities without capital investment, which can be formed and which can be produced without deformation or rapid heat treatment. The alloy can be made in large sizes (greater than 200 mm) in all directions. The controlling scale of the structure is the same as that of carbon nanotubes, and yet, it is stronger than any carbon nanotube for sizes in excess of 2 mm.

The particular steel examined here has the chemical composition Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt%.

Slide1_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide10_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide11_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.
Slide12_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide2_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide3_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.
Slide4_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide5_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide6_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.
Slide7_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide8_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.		 Slide9_3
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 170°C for 18 days.
Slide1_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide2_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide3_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.
Slide4_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide5_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide6_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.
Slide7_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide8_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.		 Slide9_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days.
Slide1_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide2_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide3_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.
Slide4_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide5_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide6_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.
Slide7_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide8_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 200°C for 3 days. Tensile tested.		 Slide1_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.
Slide10_4
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide2_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide3_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.
Slide4_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide5_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide6_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.
Slide7_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide8_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.		 Slide9_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 250°C for 10 h.
Slide1_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide10_5
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide2_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.
Slide3_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide4_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide5_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.
Slide6_8
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide7_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.		 Slide8_7
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.
Slide9_6
Fe-0.79C-1.56Si-1.98Mn-0.24Mo-1.01Cr-1.51Co-1.01Al wt% Austenitised at 900°C for 30 min. isothermally transformed at 300°C for 8 h.





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