NSTL国家科技图书文献中心

1. Predicting potential hard materials in Nb-B ternary boride: First-principles calculations NSTL国家科技图书文献中心

Huang, Qinzhi | Lin, Qingrui ... - 《International Journal of Refractory Metals & Hard Materials》 - 2025,126 - 106927～ - 共10页

摘要： all Nb-B ternary* borides exhibit hybridization* | of sixteen ternary* transition metal borides NbTMBx* | To identify potential superhard materials, we | conducted a comprehensive theoretical investigation of the | thermodynamic and kinetic stability, mechanical properties

关键词： First principles | Nb-B ternary boride | Mechanical properties | Hardness

2. Effects of cooling rate on borides morphology and structure in cast β-solidifying γ-TiAl alloy NSTL国家科技图书文献中心

Liu, Renci | Wang, Xi ... - 《Journal of Alloys and Compounds》 - 2024,973 - ARTN 172872～ - 共9页

摘要： region of Ti3B4 in both the binary Ti-B and ternary* Ti* | borides in Ti-43Al-4 Nb-1Mo-0.5B (at%) cast plates with | of B2 phase and various boride* phases. Conversely* | boride morphology can be attributed to the differing | and slow cooling processes. The B-f-TiB with a habit

关键词： gamma-TiAl | Boride | Microstructure | Cast | Cooling rate | GRAIN-REFINEMENT | BORON ADDITION | MICROSTRUCTURE | MECHANISM | NB

3. Thermal explosion synthesis of first Te-containing layered ternary Hf2TeB MAX phase EI 工程索引 NSTL国家科技图书文献中心

Zhang, Qiqiang | Zhou, Yanchun ... - 《Journal of the European Ceramic Society》 - 2023,43(1) - 173～176 - 共4页

摘要：With the new discovery of layered boride | compounds M2AB (M = Zr, Hf, Nb; A = S, Se) with the | (Te)-containing layered ternary* compound Hf2TeB* | , 0.57505), Te at (1/3, 2/3, 1/4), and B at (0, 0, 0). | typical Cr2AlC-type structure, MAX phases have been

关键词： MAX phase | Thermal explosion | Reactive synthesis | Hf2TeB | M(N+1)AX(N) PHASES | CERAMICS | TI2ALC

4. Nb_2OsB_2, with a new twofold superstructure of the U_3Si_2 type: Synthesis, crystal chemistry and chemical bonding SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

Mbarki, M. | Touzani, R.St.... - 《Journal of Solid State Chemistry》 - 2013,203 - 304～309 - 共6页

摘要：The new ternary* metal-rich boride, Nb_2OsB_2* | heteroatomic Os-B, Nb-B and Nb-Os bonds are also found: These | (1) A and c=6.879(2) ?. All of the B atoms are | involved in B_2 dumbbells with B-B distances of 1.89(4 | calculations (TB-LMTO-ASA), the homoatomic B-B interactions

关键词： B2-dumbbells | COHP bonding analysis | Metal-rich borides | Nb_2OsB_2 | Superstructure | U _3Si_2 structure type

5. Nb_3Ru_5B_2 - The first fully characterized ternary phase in the Nb-Ru-B system: Synthesis, crystal structure, and bonding analysis SCIE Web of Science核心 SCOPUS Scopus数据库 NSTL国家科技图书文献中心

Hermus, M. | Geier, D.... - 《Zeitschrift fur Anorganische und Allgemeine Chemie》 - 2012,638(1) - 49～52 - 共4页

摘要：The first fully characterized phase in the Nb | -Ru-B system, Nb_3Ru_5B_2, was successfully | diffraction methods. It is the first ternary* phase of the* | Nb-Nb interactions between two pentagonal prisms | are strongly bonding and thus weaken the Nb-Ru

关键词： COHP bonding | Density functional calculations | Niobium ruthenium boride | Ti _3Co_5B_2-type structure

6. Structural materials: metal-silicon-Boron. The Nb-rich corner of the Nb-Si-B system NSTL国家科技图书文献中心

Katrych S. | Grytsiv A.... - 《International Journal of Quantum Chemistry》 - 2004,177(2) - 493～497 - 共5页

摘要：Phase equilibria in the Nb-Nb5Si3-NbB region | , Cr5B3-type) was found to form equilibria with (Nb | were studied in the melting (crystallization) range | by means of light microscopy, XRD, SEM and EMPA on | alloys after arc-melting and annealing at 1800degreesC

关键词： Niobium silicon boride | B-nb-si phase diagram | Pseudobinary eutectic | Ternary phase

7. EFFECTS OF ALLOYING ELEMENTS ON THE PROPERTIES OF BORIDE BASE HARD MATERIALS NSTL国家科技图书文献中心

Ken-ichi Takagi | Yuusuke Shiota ... - 《Advances in Powder metallurgy & Particulate Materials--2008 vol.1》 - Advances in Powder metallurgy & Particulate Materials--2008 vol.1 - 2008, - 8/11～8/17 - 共7页

摘要： ternary boride base cermets with excellent mechanical | structural change of the ternary* Mo_2NiB_2 boride.* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass percent B -58.6mass percent Mo

8. EFFECTS OF ALLOYING ELEMENTS ON THE PROPERTIES OF BORIDE BASE HARD MATERIALS NSTL国家科技图书文献中心

Ken-ichi Takagi | Yuusuke Shiota ... - 《Advances in powder metallurgy & particulate materials - 2008, vol.1 parts 1-3: 2008 world congress on powder metallurgy & particulate materials, June 8-12, 2008, Washington, DC》 - World congress on powder metallurgy & particulate materials - 2008, - 1559～1565 - 共7页

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary* boride from orthorhombic to* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

NSTL主题词： Alloying elements | alloying

9. EFFECTS OF ALLOYING ELEMENTS ON THE PROPERTIES OF BORIDE BASE HARD MATERIALS NSTL国家科技图书文献中心

《Advances in powder metallurgy & particulate materials - 2008, vol.3, parts 7-9. Materials ; Refractory metals, carbides & ceramics ; Advanced particulate materials & processes: 2008 world congress on powder metallurgy & particulate materials, June 8-12, 2008, Washington, DC》 - World congress on powder metallurgy & particulate materials - 2008, - 8.11～8.17 - 共7页

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary* boride from orthorhombic to* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

NSTL主题词： Alloying elements | alloying

10. The effects of brazing parameters on microstructure and properties of diffusion-brazed joint of IN-738 superalloy. NSTL国家科技图书文献中心

Ojo, Olanrewaju Akan... - The University of Ma... - M.Sc. - Chaturvedi, M. C., - 2002, - 共139页

摘要： centreline ternary* eutectic phase in “NB 150* | ” brazement. It consisted of Nickel rich boride | , Chromium rich boride* and γ austenitic solid* | intermetallic and Chromium rich boride* formed from the* | in “NB 150” brazement, Chromium

摘要： all Nb-B ternary borides exhibit hybridization | of sixteen ternary transition metal borides NbTMBx | To identify potential superhard materials, we | conducted a comprehensive theoretical investigation of the | thermodynamic and kinetic stability, mechanical properties

关键词： First principles | Nb-B ternary boride | Mechanical properties | Hardness

摘要： region of Ti3B4 in both the binary Ti-B and ternary Ti | borides in Ti-43Al-4 Nb-1Mo-0.5B (at%) cast plates with | of B2 phase and various boride phases. Conversely | boride morphology can be attributed to the differing | and slow cooling processes. The B-f-TiB with a habit

关键词： gamma-TiAl | Boride | Microstructure | Cast | Cooling rate | GRAIN-REFINEMENT | BORON ADDITION | MICROSTRUCTURE | MECHANISM | NB

摘要：With the new discovery of layered boride | compounds M2AB (M = Zr, Hf, Nb; A = S, Se) with the | (Te)-containing layered ternary compound Hf2TeB | , 0.57505), Te at (1/3, 2/3, 1/4), and B at (0, 0, 0). | typical Cr2AlC-type structure, MAX phases have been

关键词： MAX phase | Thermal explosion | Reactive synthesis | Hf2TeB | M(N+1)AX(N) PHASES | CERAMICS | TI2ALC

摘要：The new ternary metal-rich boride, Nb_2OsB_2 | heteroatomic Os-B, Nb-B and Nb-Os bonds are also found: These | (1) A and c=6.879(2) ?. All of the B atoms are | involved in B_2 dumbbells with B-B distances of 1.89(4 | calculations (TB-LMTO-ASA), the homoatomic B-B interactions

关键词： B2-dumbbells | COHP bonding analysis | Metal-rich borides | Nb_2OsB_2 | Superstructure | U _3Si_2 structure type

摘要：The first fully characterized phase in the Nb | -Ru-B system, Nb_3Ru_5B_2, was successfully | diffraction methods. It is the first ternary phase of the | Nb-Nb interactions between two pentagonal prisms | are strongly bonding and thus weaken the Nb-Ru

关键词： COHP bonding | Density functional calculations | Niobium ruthenium boride | Ti _3Co_5B_2-type structure

摘要：Phase equilibria in the Nb-Nb5Si3-NbB region | , Cr5B3-type) was found to form equilibria with (Nb | were studied in the melting (crystallization) range | by means of light microscopy, XRD, SEM and EMPA on | alloys after arc-melting and annealing at 1800degreesC

关键词： Niobium silicon boride | B-nb-si phase diagram | Pseudobinary eutectic | Ternary phase

摘要： ternary boride base cermets with excellent mechanical | structural change of the ternary Mo_2NiB_2 boride. | . These boride based cermets have a strong possibility | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass percent B -58.6mass percent Mo

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary boride from orthorhombic to | . These boride based cermets have a strong possibility | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

NSTL主题词： Alloying elements | alloying

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary boride from orthorhombic to | . These boride based cermets have a strong possibility | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

NSTL主题词： Alloying elements | alloying

摘要： centreline ternary eutectic phase in “NB 150 | ” brazement. It consisted of Nickel rich boride | , Chromium rich boride and γ austenitic solid | intermetallic and Chromium rich boride formed from the | in “NB 150” brazement, Chromium

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国家科技图书文献中心

摘要： all Nb-B ternary* borides exhibit hybridization* | of sixteen ternary* transition metal borides NbTMBx* | To identify potential superhard materials, we | conducted a comprehensive theoretical investigation of the | thermodynamic and kinetic stability, mechanical properties

摘要： region of Ti3B4 in both the binary Ti-B and ternary* Ti* | borides in Ti-43Al-4 Nb-1Mo-0.5B (at%) cast plates with | of B2 phase and various boride* phases. Conversely* | boride morphology can be attributed to the differing | and slow cooling processes. The B-f-TiB with a habit

摘要：With the new discovery of layered boride | compounds M2AB (M = Zr, Hf, Nb; A = S, Se) with the | (Te)-containing layered ternary* compound Hf2TeB* | , 0.57505), Te at (1/3, 2/3, 1/4), and B at (0, 0, 0). | typical Cr2AlC-type structure, MAX phases have been

摘要：The new ternary* metal-rich boride, Nb_2OsB_2* | heteroatomic Os-B, Nb-B and Nb-Os bonds are also found: These | (1) A and c=6.879(2) ?. All of the B atoms are | involved in B_2 dumbbells with B-B distances of 1.89(4 | calculations (TB-LMTO-ASA), the homoatomic B-B interactions

摘要：The first fully characterized phase in the Nb | -Ru-B system, Nb_3Ru_5B_2, was successfully | diffraction methods. It is the first ternary* phase of the* | Nb-Nb interactions between two pentagonal prisms | are strongly bonding and thus weaken the Nb-Ru

摘要： ternary boride base cermets with excellent mechanical | structural change of the ternary* Mo_2NiB_2 boride.* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass percent B -58.6mass percent Mo

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary* boride from orthorhombic to* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

摘要： ternary boride base cermets with excellent mechanical | transformation of the ternary* boride from orthorhombic to* | . These boride* based cermets have a strong possibility* | elements such as Ti, V, Cr, Mn, Fe, Co, Zr, Nb and W on | compositions of Ni-6mass%B -58.6mass%Mo-10mass%X (X

摘要： centreline ternary* eutectic phase in “NB 150* | ” brazement. It consisted of Nickel rich boride | , Chromium rich boride* and γ austenitic solid* | intermetallic and Chromium rich boride* formed from the* | in “NB 150” brazement, Chromium