纳米ZrC粉末对90W-7Ni-3Fe合金组织及性能影响
TG146.4+11%TF125; 为了有效抑制液相烧结下钨晶粒长大,通过 1500℃液相烧结制备了ZrC弥散强化重钨合金(WHAs),分析了ZrC质量分数(1%、2%)对WHAs组织以及性能的影响.结果表明,随ZrC质量分数的增加,WHAs相对密度和W-W连接度下降,钨晶粒得到一定程度的细化.当ZrC质量分数为 1%时,WHAs强塑性匹配效果最好,合金的相对密度达到了 98.4%,钨晶粒尺寸为 22.17 μm,屈服强度和抗压强度(40%变形量)分别达到了 791 MPa和 2179 MPa,相比未添加ZrC的WHAs分别提升了8.35%和38.70%(730 MPa和1570 MPa)....
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| Published in | 粉末冶金技术 Vol. 43; no. 1; pp. 86 - 93 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安石油大学材料科学与工程学院,西安 710065
01.02.2025
西安稀有金属材料研究院有限公司,西安 710016%西安石油大学材料科学与工程学院,西安 710065%西安稀有金属材料研究院有限公司,西安 710016%西北有色金属研究院,西安 710016 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-3784 |
| DOI | 10.19591/j.cnki.cn11-1974/tf.2023040009 |
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| Abstract | TG146.4+11%TF125; 为了有效抑制液相烧结下钨晶粒长大,通过 1500℃液相烧结制备了ZrC弥散强化重钨合金(WHAs),分析了ZrC质量分数(1%、2%)对WHAs组织以及性能的影响.结果表明,随ZrC质量分数的增加,WHAs相对密度和W-W连接度下降,钨晶粒得到一定程度的细化.当ZrC质量分数为 1%时,WHAs强塑性匹配效果最好,合金的相对密度达到了 98.4%,钨晶粒尺寸为 22.17 μm,屈服强度和抗压强度(40%变形量)分别达到了 791 MPa和 2179 MPa,相比未添加ZrC的WHAs分别提升了8.35%和38.70%(730 MPa和1570 MPa). |
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| AbstractList | TG146.4+11%TF125; 为了有效抑制液相烧结下钨晶粒长大,通过 1500℃液相烧结制备了ZrC弥散强化重钨合金(WHAs),分析了ZrC质量分数(1%、2%)对WHAs组织以及性能的影响.结果表明,随ZrC质量分数的增加,WHAs相对密度和W-W连接度下降,钨晶粒得到一定程度的细化.当ZrC质量分数为 1%时,WHAs强塑性匹配效果最好,合金的相对密度达到了 98.4%,钨晶粒尺寸为 22.17 μm,屈服强度和抗压强度(40%变形量)分别达到了 791 MPa和 2179 MPa,相比未添加ZrC的WHAs分别提升了8.35%和38.70%(730 MPa和1570 MPa). |
| Abstract_FL | To effectively inhibit the growth of tungsten grains during the liquid phase sintering,the ZrC dispersion-strengthened heavy tungsten alloys(WHAs)were prepared by liquid phase sintering at 1500℃.The effects of ZrC mass fraction(1%and 2%)on the microstructure and properties of WHAs were analyzed.The results show that,with the increase of ZrC mass fraction,the relative density and W-W contiguity of WHAs decrease,and the tungsten grains are refined to a certain extent.When the ZrC mass fraction is 1%,the strength-ductility matching effect of WHAs is the best,the relative density reaches 98.4%,the tungsten grain size is 22.17 μm,and the yield strength and compressive strength(40%deformation)reach 791 MPa and 2179 MPa,respectively,which are increased by 8.35%and 38.70%,compared with WHAs without ZrC(730 MPa and 1570 MPa). |
| Author | 闫树欣 何志 孙国栋 苏旭文 董龙龙 |
| AuthorAffiliation | 西安石油大学材料科学与工程学院,西安 710065;西安稀有金属材料研究院有限公司,西安 710016%西安石油大学材料科学与工程学院,西安 710065%西安稀有金属材料研究院有限公司,西安 710016%西北有色金属研究院,西安 710016 |
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| Author_FL | SU Xuwen HE Zhi YAN Shuxin SUN Guodong DONG Longlong |
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| DocumentTitle_FL | Effect of nano-ZrC powders on microstructure and properties of 90W-7Ni-3Fe alloys |
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| Keywords | 力学性能 liquid phase sintering nanocomposite powders 纳米ZrC粉末 tungsten heavy alloys 液相烧结 重钨合金 纳米复合粉体 nano-ZrC powders mechanical properties |
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| PublicationTitle | 粉末冶金技术 |
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| Publisher | 西安石油大学材料科学与工程学院,西安 710065 西安稀有金属材料研究院有限公司,西安 710016%西安石油大学材料科学与工程学院,西安 710065%西安稀有金属材料研究院有限公司,西安 710016%西北有色金属研究院,西安 710016 |
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| Snippet | TG146.4+11%TF125; 为了有效抑制液相烧结下钨晶粒长大,通过 1500℃液相烧结制备了ZrC弥散强化重钨合金(WHAs),分析了ZrC质量分数(1%、2%)对WHAs组织以及性能的影响.结果表明,随ZrC质量分数的增加,WHAs相对密度和W-W连接度下降,钨晶粒得到一定程度的细化.当ZrC质量分数为... |
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| Title | 纳米ZrC粉末对90W-7Ni-3Fe合金组织及性能影响 |
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