NSTL国家科技图书文献中心

1. Effect of heat treatment on microstructure and mechanical properties of tungsten heavy alloy with a non-equiatomic Ni 5.5 Fe 2.5 CoCr high-entropy binder NSTL国家科技图书文献中心

Zhang, Tongwei | Liu, Longwu ... - 《International Journal of Refractory Metals & Hard Materials》 - 2025,128 - 107096～ - 共9页

摘要：Tungsten heavy alloys (WHAs) hold extensive | tungsten grain coarsening and improve the properties of | properties of the 90W-Ni5.5Fe2.5CoCr alloy. The results | properties of 90 W-Ni5.5Fe2.5CoCr alloy. In contrast, the | within the alloy. This optimization effectively

关键词： Tungsten heavy alloy | High-entropy alloy binder | Heat treatment process | Microstructure | Mechanical properties

2. Tungsten heavy alloys for kinetic energy penetrators: a review NSTL国家科技图书文献中心

Singh, Indeevar | Dabhade, Vikram V. - 《Materials Science and Technology》 - 2025,41(4) - 235～256 - 共22页 - 被引量：2

摘要：Tungsten heavy alloys are preferred materials | field of tungsten* heavy alloys.* | their early emergence by various alloy* and process* | . Changes in the microstructural features such as tungsten | for kinetic energy penetrators owing to the

关键词： tungsten heavy alloy | liquid phase sintering | microstructure | adiabatic shear banding | mechanical properties

3. Tribological Investigation of La 2 O 3 Dispersed W-Ni-Cu Heavy Alloy Processed through Powder Metallurgy Process NSTL国家科技图书文献中心

Shakunt, Navindra Sh... | Upadhyaya, Anish - 《Journal of Materials Engineering and Performance》 - 2025,34(2) - 1596～1606 - 共11页

摘要：Two tungsten* heavy alloys (WHAs), 90W-6Ni-4Cu* | -1La(2)O(3) heavy* alloy decreased from 0.45 to 0.37* | wear rate of W-Ni-Cu heavy* alloy. The wear rate of* | La2O3 containing W-Ni-Cu heavy* alloy was found to* | alloy composition in order to understand the active

关键词： adhesion | ball-on-disk wear | coefficient of friction | tungsten heavy alloy | wear rate

4. Stereographical and characterization analysis of nano yttria-dispersed tungsten heavy alloys: Impact on particle size and Y-W-O complex oxide formation NSTL国家科技图书文献中心

Siddharthan, N. | Kumaran, S.... - 《International Journal of Refractory Metals & Hard Materials》 - 2025,130 - 107162～ - 共15页

摘要： microstructural evolution of a tungsten* heavy alloy (WHA* | ) composed of 93 wt% tungsten, with a fixed Ni/Co binder | , which was subsequently blended with tungsten* via low* | The present study investigates the influence | of nano-Y2O3 (0.25-0.75 wt%) additions on the

关键词： Liquid phase sintering | Cold isostatic pressing | Nano-yttria dispersed tungsten heavy alloy | High energy ball milling | W -Y-O complex phase

5. Microstructure evolution and mechanical properties of tungsten alloy prepared by laser directed energy deposition NSTL国家科技图书文献中心

Hao, Zhiwei | Zhao, Zhuang ... - 《Journal of Alloys and Compounds》 - 2025,1010 - 177056～ - 共11页

摘要：Tungsten heavy alloys (WHAs) are widely | tungsten alloy compositions to elucidate the | supersaturated solid phases across different alloy* compositions* | fractured tungsten* particles. However, by incorporating* | applied across military, medical, and other advanced

关键词： Laser-directed energy deposition | WNiFe alloy | Tungsten heavy alloys | Microstructure | Crack | Mechanical property

6. Microstructure and mechanical characterizations of liquid phase sintered W-Ni-Cu heavy alloy modified with La2O3 and Fe addition NSTL国家科技图书文献中心

Shakunt, Navindra Sh... | Gouthama ... - 《International Journal of Refractory Metals & Hard Materials》 - 2025,127 - 106981～ - 共12页

摘要：A novel tungsten* heavy alloy (WHA), with* | analysis showed tungsten* particle size and contiguity of* | matrix and tungsten. This study demonstrates that the | WHA properties, positioning this alloy* as a robust* | composition 89 W-5.1Ni-3.4Cu-1.5Fe-1La2O3 (wt%) (Modified

关键词： Microstructure | Contiguity | Strengthening mechanisms | Fractography | Interface characterization

7. The role of addition of Mo and Nb on microstructure, phase and mechanical properties in tungsten heavy alloys NSTL国家科技图书文献中心

Singh, Indeevar | Dabhade, Vikram ... - 《Journal of Alloys and Compounds》 - 2025,1010 - 177466～ - 共16页

摘要： inclusion as a viable alloying element in tungsten heavy | properties in a W-Ni-Fe composition-based alloy. The base | alloy (90W-7Ni-3Fe) and the alloy compositions with Mo | . Microstructural analysis by SEM revealed tungsten* grain* | refinement from 28.60 mu m for the base alloy* to 18.21 mu m*

关键词： Tungsten heavy alloys | Liquid phase sintering | Densification | Microstructure | NbO2 | Nb rich phase

8. Enhanced density and fine W particles of W-7Ni-3Fe alloys prepared by binder jetting additive manufacturing with a two-step sintering strategy NSTL国家科技图书文献中心

Heng, Yuhua | Mao, Yiwei ... - 《International Journal of Refractory Metals & Hard Materials》 - 2025,128 - 107037～ - 共12页 - 被引量：1

摘要： complex tungsten* heavy alloy (WHA) parts due to high* | BJ tungsten-based alloys and other refractory | Binder jetting (BJ) additive manufacturing has | emerged as a potential technique for the fabrication of | efficiency and low cost. However, due to the low green

关键词： Binder jetting | Tungsten heavy alloys | Two-step sintering | Microstructure evolution | W particle size

9. Microstructure and strengthening mechanisms of ultrahigh-hardness NbHfVCrMoW refractory high-entropy alloy coatings prepared via laser cladding NSTL国家科技图书文献中心

Ma, Cuiying | Liang, Ruinan ... - 《Journal of Alloys and Compounds》 - 2025,1018 - 179185～ - 共9页

摘要： tungsten heavy alloy (WHA) substrates via laser cladding | Novel NbHfVCrMoW refractory high-entropy alloy | (RHEA) coatings were successfully prepared onto | . The X-ray diffraction results reveal that the as | -prepared coatings are predominantly composed of a body

关键词： Refractory high-entropy alloy | Microstructure | Strengthening mechanism | Ultrahigh hardness

10. Penetration mechanism of TiZrNbW high-entropy alloy rod projectile into steel plate NSTL国家科技图书文献中心

Li, Zhiqian | Pang, Zhaojun ... - 《Journal of Alloys and Compounds》 - 2025,1033 - 181183～ - 共13页

摘要： gun with TiZrNbW HEA and tungsten* heavy alloy (WHA* | High-entropy alloys (HEAs), due to their multi | -principal element effect, exhibit a range of unique | properties suitable for extreme environments. In this study | , the deformation behavior and penetration performance

摘要：Tungsten heavy alloys (WHAs) hold extensive | tungsten grain coarsening and improve the properties of | properties of the 90W-Ni5.5Fe2.5CoCr alloy. The results | properties of 90 W-Ni5.5Fe2.5CoCr alloy. In contrast, the | within the alloy. This optimization effectively

关键词： Tungsten heavy alloy | High-entropy alloy binder | Heat treatment process | Microstructure | Mechanical properties

摘要：Tungsten heavy alloys are preferred materials | field of tungsten* heavy alloys.* | their early emergence by various alloy* and process* | . Changes in the microstructural features such as tungsten | for kinetic energy penetrators owing to the

关键词： tungsten heavy alloy | liquid phase sintering | microstructure | adiabatic shear banding | mechanical properties

摘要：Two tungsten* heavy alloys (WHAs), 90W-6Ni-4Cu* | -1La(2)O(3) heavy* alloy decreased from 0.45 to 0.37* | wear rate of W-Ni-Cu heavy* alloy. The wear rate of* | La2O3 containing W-Ni-Cu heavy* alloy was found to* | alloy composition in order to understand the active

关键词： adhesion | ball-on-disk wear | coefficient of friction | tungsten heavy alloy | wear rate

摘要： microstructural evolution of a tungsten* heavy alloy (WHA* | ) composed of 93 wt% tungsten, with a fixed Ni/Co binder | , which was subsequently blended with tungsten* via low* | The present study investigates the influence | of nano-Y2O3 (0.25-0.75 wt%) additions on the

关键词： Liquid phase sintering | Cold isostatic pressing | Nano-yttria dispersed tungsten heavy alloy | High energy ball milling | W -Y-O complex phase

摘要：Tungsten heavy alloys (WHAs) are widely | tungsten alloy compositions to elucidate the | supersaturated solid phases across different alloy* compositions* | fractured tungsten* particles. However, by incorporating* | applied across military, medical, and other advanced

关键词： Laser-directed energy deposition | WNiFe alloy | Tungsten heavy alloys | Microstructure | Crack | Mechanical property

摘要：A novel tungsten* heavy alloy (WHA), with* | analysis showed tungsten* particle size and contiguity of* | matrix and tungsten. This study demonstrates that the | WHA properties, positioning this alloy* as a robust* | composition 89 W-5.1Ni-3.4Cu-1.5Fe-1La2O3 (wt%) (Modified

关键词： Microstructure | Contiguity | Strengthening mechanisms | Fractography | Interface characterization

关键词： Tungsten heavy alloys | Liquid phase sintering | Densification | Microstructure | NbO2 | Nb rich phase

摘要： complex tungsten* heavy alloy (WHA) parts due to high* | BJ tungsten-based alloys and other refractory | Binder jetting (BJ) additive manufacturing has | emerged as a potential technique for the fabrication of | efficiency and low cost. However, due to the low green

关键词： Binder jetting | Tungsten heavy alloys | Two-step sintering | Microstructure evolution | W particle size

摘要： tungsten heavy alloy (WHA) substrates via laser cladding | Novel NbHfVCrMoW refractory high-entropy alloy | (RHEA) coatings were successfully prepared onto | . The X-ray diffraction results reveal that the as | -prepared coatings are predominantly composed of a body

关键词： Refractory high-entropy alloy | Microstructure | Strengthening mechanism | Ultrahigh hardness

摘要： gun with TiZrNbW HEA and tungsten* heavy alloy (WHA* | High-entropy alloys (HEAs), due to their multi | -principal element effect, exhibit a range of unique | properties suitable for extreme environments. In this study | , the deformation behavior and penetration performance

关键词： High-entropy alloy | Mechanical properties | Microstructure characteristic | "Self-sharpening" penetration | Energy release characteristics

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：Tungsten heavy alloys (WHAs) hold extensive | tungsten grain coarsening and improve the properties of | properties of the 90W-Ni5.5Fe2.5CoCr alloy. The results | properties of 90 W-Ni5.5Fe2.5CoCr alloy. In contrast, the | within the alloy. This optimization effectively

关键词： Tungsten heavy alloy | High-entropy alloy binder | Heat treatment process | Microstructure | Mechanical properties

摘要：Tungsten heavy alloys are preferred materials | field of tungsten heavy alloys. | their early emergence by various alloy and process | . Changes in the microstructural features such as tungsten | for kinetic energy penetrators owing to the

关键词： tungsten heavy alloy | liquid phase sintering | microstructure | adiabatic shear banding | mechanical properties

摘要：Two tungsten heavy alloys (WHAs), 90W-6Ni-4Cu | -1La(2)O(3) heavy alloy decreased from 0.45 to 0.37 | wear rate of W-Ni-Cu heavy alloy. The wear rate of | La2O3 containing W-Ni-Cu heavy alloy was found to | alloy composition in order to understand the active

关键词： adhesion | ball-on-disk wear | coefficient of friction | tungsten heavy alloy | wear rate

摘要： microstructural evolution of a tungsten heavy alloy (WHA | ) composed of 93 wt% tungsten, with a fixed Ni/Co binder | , which was subsequently blended with tungsten via low | The present study investigates the influence | of nano-Y2O3 (0.25-0.75 wt%) additions on the

关键词： Liquid phase sintering | Cold isostatic pressing | Nano-yttria dispersed tungsten heavy alloy | High energy ball milling | W -Y-O complex phase

摘要：Tungsten heavy alloys (WHAs) are widely | tungsten alloy compositions to elucidate the | supersaturated solid phases across different alloy compositions | fractured tungsten particles. However, by incorporating | applied across military, medical, and other advanced

关键词： Laser-directed energy deposition | WNiFe alloy | Tungsten heavy alloys | Microstructure | Crack | Mechanical property

摘要：A novel tungsten heavy alloy (WHA), with | analysis showed tungsten particle size and contiguity of | matrix and tungsten. This study demonstrates that the | WHA properties, positioning this alloy as a robust | composition 89 W-5.1Ni-3.4Cu-1.5Fe-1La2O3 (wt%) (Modified

关键词： Microstructure | Contiguity | Strengthening mechanisms | Fractography | Interface characterization

关键词： Tungsten heavy alloys | Liquid phase sintering | Densification | Microstructure | NbO2 | Nb rich phase

摘要： complex tungsten heavy alloy (WHA) parts due to high | BJ tungsten-based alloys and other refractory | Binder jetting (BJ) additive manufacturing has | emerged as a potential technique for the fabrication of | efficiency and low cost. However, due to the low green

关键词： Binder jetting | Tungsten heavy alloys | Two-step sintering | Microstructure evolution | W particle size

摘要： tungsten heavy alloy (WHA) substrates via laser cladding | Novel NbHfVCrMoW refractory high-entropy alloy | (RHEA) coatings were successfully prepared onto | . The X-ray diffraction results reveal that the as | -prepared coatings are predominantly composed of a body

关键词： Refractory high-entropy alloy | Microstructure | Strengthening mechanism | Ultrahigh hardness

摘要： gun with TiZrNbW HEA and tungsten heavy alloy (WHA | High-entropy alloys (HEAs), due to their multi | -principal element effect, exhibit a range of unique | properties suitable for extreme environments. In this study | , the deformation behavior and penetration performance

关键词： High-entropy alloy | Mechanical properties | Microstructure characteristic | "Self-sharpening" penetration | Energy release characteristics

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：Tungsten heavy alloys are preferred materials | field of tungsten* heavy alloys.* | their early emergence by various alloy* and process* | . Changes in the microstructural features such as tungsten | for kinetic energy penetrators owing to the

摘要：Two tungsten* heavy alloys (WHAs), 90W-6Ni-4Cu* | -1La(2)O(3) heavy* alloy decreased from 0.45 to 0.37* | wear rate of W-Ni-Cu heavy* alloy. The wear rate of* | La2O3 containing W-Ni-Cu heavy* alloy was found to* | alloy composition in order to understand the active

摘要： microstructural evolution of a tungsten* heavy alloy (WHA* | ) composed of 93 wt% tungsten, with a fixed Ni/Co binder | , which was subsequently blended with tungsten* via low* | The present study investigates the influence | of nano-Y2O3 (0.25-0.75 wt%) additions on the

摘要：Tungsten heavy alloys (WHAs) are widely | tungsten alloy compositions to elucidate the | supersaturated solid phases across different alloy* compositions* | fractured tungsten* particles. However, by incorporating* | applied across military, medical, and other advanced

摘要：A novel tungsten* heavy alloy (WHA), with* | analysis showed tungsten* particle size and contiguity of* | matrix and tungsten. This study demonstrates that the | WHA properties, positioning this alloy* as a robust* | composition 89 W-5.1Ni-3.4Cu-1.5Fe-1La2O3 (wt%) (Modified

摘要： complex tungsten* heavy alloy (WHA) parts due to high* | BJ tungsten-based alloys and other refractory | Binder jetting (BJ) additive manufacturing has | emerged as a potential technique for the fabrication of | efficiency and low cost. However, due to the low green

摘要： gun with TiZrNbW HEA and tungsten* heavy alloy (WHA* | High-entropy alloys (HEAs), due to their multi | -principal element effect, exhibit a range of unique | properties suitable for extreme environments. In this study | , the deformation behavior and penetration performance