O. Dimitrov

Publication List Details

Period

1975 - 1998

Number

31

Co-Authors

Influence of Local Ordering on the Mechanical Properties of Austenitic Fe-Cr-Ni. (1998)

Aidi, B., Viltange, M., Dimitrov, O.

The thermal and irradiation aging effects on the mechanical properties of four austenitic Fe-Cr-Ni alloys (16 wt% Cr, 20-75 wt% Ni) were studied; yield and flow stresses increased slightly due to...

The Effects of Low-Dose Irradiation on the Mechanical Properties of Ni-Al-Ti Model Superalloys. (1998)

Njah, N., Dimitrov, O., Chamberod, A., Naundorf, V.

Three two-phase gamma/gamma prime NiAlTi alloys have been used to determine the influence of 400 K electron irradiation on the mechanical properties. The dominant deformation mechanism(particle...

Thermal Stability of Invar Fe-Ni Alloys Above 500 Degrees C. (1998)

Simon, J. P., Lyon, O., Faudot, F., Boulanger, L., Dimitrov, O.

The high-temperature thermal stability of three Fe-Ni alloys (with 35.0, 40.1 or 43.8 at.% Ni) was investigated by aging samples for 230 days at 625 C. Anomalous small-angle X-ray scattering,...

Point Defects in Model Iron Alloys and in Intermetallic Compounds. (1998)

Dimitrov, O., Dimitrov, C., Sitaud, B.

Fecrni and fecr alloys are examined to determine the properties of irradiation defects. recent results for point defects in ni(sub 3)al are also included.

Structural Evolution of Ni3Al-Based Intermetallic Compounds During Tensile or Cole-Rolling Deformations. (1998)

Viltange, M., Dimitrov, O.

This paper concerned metals in some important way and contained information about, utilized, or discussed these subjects: basic topics: experimental materials and material types: ni-20al-4ti, ni-24al...

Influence of Purity Level on the Microstructure and Some Properties of Gamma Ti-Al Intermetallics. (1998)

Dimitrov, C., Pastol, J. L., Bigot, J., Dimitrov, O.

This paper concerned metals in some important way and contained information about, utilized, or discussed these subjects: basic topics: experimental materials related terms: ti-50al, ti-56al,...

Mobilité atomique et défauts ponctuels dans des composés intermétalliques à base de Ni3Al et de TiAl (1996)

Dimitrov, O., Tarfa, T., Sitaud, B., Dimitrov, C.

Les composés intermétalliques, en particulier les aluminiures de nickel et de titane, ont des potentialités importantes comme matériaux de hautes températures. Un certain nombre de leurs...

Mobilité atomique et défauts ponctuels dans des composés intermétalliques à base de Ni3Al et de TiAl (1996)

Dimitrov, O., Tarfa, T., Sitaud, B., Dimitrov, C.

Les composés intermétalliques, en particulier les aluminiures de nickel et de titane, ont des potentialités importantes comme matériaux de hautes températures. Un certain nombre de leurs...

Mobilité atomique et défauts ponctuels dans des composés intermétalliques à base de Ni3Al et de TiAl (1996)

Dimitrov, O., Tarfa, T., Sitaud, B., Dimitrov, C.

Les composés intermétalliques, en particulier les aluminiures de nickel et de titane, ont des potentialités importantes comme matériaux de hautes températures. Un certain nombre de leurs...

Influence of Small Amounts of Boron on the Structural Evolution of Nanocrystalline Ni3Al During Thermal Treatments (1995)

Korznikov, A., Dimitrov, O., Quivy, A., Korznikova, G., Devaud, J., Valiev, R.

The influence of a boron addition (0.1 wt%) on the structural stability of high-purity nanocrystalline Ni3Al intermetallic compounds was investigated. The nanocrystalline structure was obtained by...

Influence of Small Amounts of Boron on the Structural Evolution of Nanocrystalline Ni3Al During Thermal Treatments (1995)

Korznikov, A., Dimitrov, O., Quivy, A., Korznikova, G., Devaud, J., Valiev, R.

The influence of a boron addition (0.1 wt%) on the structural stability of high-purity nanocrystalline Ni3Al intermetallic compounds was investigated. The nanocrystalline structure was obtained by...

Influence of Small Amounts of Boron on the Structural Evolution of Nanocrystalline Ni3Al During Thermal Treatments (1995)

Korznikov, A., Dimitrov, O., Quivy, A., Korznikova, G., Devaud, J., Valiev, R.

The influence of a boron addition (0.1 wt%) on the structural stability of high-purity nanocrystalline Ni3Al intermetallic compounds was investigated. The nanocrystalline structure was obtained by...

Influence of purity level on the microstructure and some properties of γ Ti-Al intermetallics (1993)

Dimitrov, C., Bigot, J., Dimitrov, O.

The dependence of microstructure, hardness and electrical resistivity on the purity of TiAl alloys with 50, 53 and 56 at.% Al was investigated by comparing materials prepared from high-purity metals...

Influence of structure and composition on atomic mobility in Ni(Al)-based solid solutions and Ni3Al-based intermetallics (1993)

Tarfa, T., Dimitrov, C., Dimitrov, O.

Atomic mobility was characterized by investigating the isothermal relaxation of short-range order (SRO) in a Ni(Al, Ti) solid solution and of long-range order (LRO) in three intermetallic compounds...

Irradiation-induced defects in solid solution and intermetallic compounds of the Ni-Al system : the effects of a third element (Ti or Ta) (1993)

Tarfa, T., Dimitrov, O.

The effects of low-temperature electron irradiation experiments and of subsequent annealing treatments were investigated by means of residual resistivity measurements in model alloys based on the...

Structural evolution of Ni3Al-based intermetallic compounds during tensile or cold-rolling deformations (1993)

Viltange, M., Dimitrov, O.

The influence of plastic deformation on the evolution of long-range ordered (LRO) intermetallic compounds was investigated in boron-doped Ni76A120Ti4 and Ni76A120Ti4. Electrical resistivity...

Influence of purity level on the microstructure and some properties of γ Ti-Al intermetallics (1993)

Dimitrov, C., Bigot, J., Dimitrov, O.

The dependence of microstructure, hardness and electrical resistivity on the purity of TiAl alloys with 50, 53 and 56 at.% Al was investigated by comparing materials prepared from high-purity metals...

Influence of structure and composition on atomic mobility in Ni(Al)-based solid solutions and Ni3Al-based intermetallics (1993)

Tarfa, T., Dimitrov, C., Dimitrov, O.

Atomic mobility was characterized by investigating the isothermal relaxation of short-range order (SRO) in a Ni(Al, Ti) solid solution and of long-range order (LRO) in three intermetallic compounds...

Irradiation-induced defects in solid solution and intermetallic compounds of the Ni-Al system : the effects of a third element (Ti or Ta) (1993)

Tarfa, T., Dimitrov, O.

The effects of low-temperature electron irradiation experiments and of subsequent annealing treatments were investigated by means of residual resistivity measurements in model alloys based on the...

Structural evolution of Ni3Al-based intermetallic compounds during tensile or cold-rolling deformations (1993)

Viltange, M., Dimitrov, O.

The influence of plastic deformation on the evolution of long-range ordered (LRO) intermetallic compounds was investigated in boron-doped Ni76A120Ti4 and Ni76A120Ti4. Electrical resistivity...

Influence of purity level on the microstructure and some properties of γ Ti-Al intermetallics (1993)

Dimitrov, C., Bigot, J., Dimitrov, O.

The dependence of microstructure, hardness and electrical resistivity on the purity of TiAl alloys with 50, 53 and 56 at.% Al was investigated by comparing materials prepared from high-purity metals...

Influence of structure and composition on atomic mobility in Ni(Al)-based solid solutions and Ni3Al-based intermetallics (1993)

Tarfa, T., Dimitrov, C., Dimitrov, O.

Atomic mobility was characterized by investigating the isothermal relaxation of short-range order (SRO) in a Ni(Al, Ti) solid solution and of long-range order (LRO) in three intermetallic compounds...

Irradiation-induced defects in solid solution and intermetallic compounds of the Ni-Al system : the effects of a third element (Ti or Ta) (1993)

Tarfa, T., Dimitrov, O.

The effects of low-temperature electron irradiation experiments and of subsequent annealing treatments were investigated by means of residual resistivity measurements in model alloys based on the...

Structural evolution of Ni3Al-based intermetallic compounds during tensile or cold-rolling deformations (1993)

Viltange, M., Dimitrov, O.

The influence of plastic deformation on the evolution of long-range ordered (LRO) intermetallic compounds was investigated in boron-doped Ni76A120Ti4 and Ni76A120Ti4. Electrical resistivity...

COMPOSITIONAL DEPENDENCE OF Ms TEMPERATURES IN HIGH-PURITY IRON-CHROMIUM-NICKEL AUSTENITIC ALLOYS (1982)

Harmelin, M., Dimitrov, C., Dimitrov, O.

The onset of martensitic transformation on cooling has been studied in high-purity Fe-14 to 20 wt % Cr -8 to 25 wt % Ni austenitic alloys. In samples with Fe < 72 %, extensive transformation takes...

COMPOSITIONAL DEPENDENCE OF Ms TEMPERATURES IN HIGH-PURITY IRON-CHROMIUM-NICKEL AUSTENITIC ALLOYS (1982)

Harmelin, M., Dimitrov, C., Dimitrov, O.

The onset of martensitic transformation on cooling has been studied in high-purity Fe-14 to 20 wt % Cr -8 to 25 wt % Ni austenitic alloys. In samples with Fe < 72 %, extensive transformation takes...

COMPOSITIONAL DEPENDENCE OF Ms TEMPERATURES IN HIGH-PURITY IRON-CHROMIUM-NICKEL AUSTENITIC ALLOYS (1982)

Harmelin, M., Dimitrov, C., Dimitrov, O.

The onset of martensitic transformation on cooling has been studied in high-purity Fe-14 to 20 wt % Cr -8 to 25 wt % Ni austenitic alloys. In samples with Fe < 72 %, extensive transformation takes...

MIGRATION DES JOINTS DE GRAINS.LA MIGRATION DES JOINTS INTERGRANULAIRES (1975)

Dimitrov, O.

Un certain nombre de faits fondamentaux concernant la migration des joints de grains sont brièvement rappelés (influence de la force motrice, de la température, de l'orientation, de la présence...

MIGRATION DES JOINTS DE GRAINS.LA MIGRATION DES JOINTS INTERGRANULAIRES (1975)

Dimitrov, O.

Un certain nombre de faits fondamentaux concernant la migration des joints de grains sont brièvement rappelés (influence de la force motrice, de la température, de l'orientation, de la présence...

MIGRATION DES JOINTS DE GRAINS.LA MIGRATION DES JOINTS INTERGRANULAIRES (1975)

Dimitrov, O.

Un certain nombre de faits fondamentaux concernant la migration des joints de grains sont brièvement rappelés (influence de la force motrice, de la température, de l'orientation, de la présence...