粉末处理对FGH95氧含量、微观组织及力学性能的影响
TF122.5; 通过化学成分测试分析、扫描电子显微镜观察、透射电镜观察、力学性能检测等分析方法,研究了粉末粒度、粉末处理工艺以及粉末处理环境对FGH95合金氧含量的影响.结果表明,粉末处理环境对FGH95合金的氧含量及组织影响较大,相同粒度气雾化粉末在空气中处理后,其制备的合金氧含量相比惰性气体环境中除气制备的合金增加了115%,而低氧环境中制备FGH95合金的w[O]仅为0.003 9%,其PPB组织得到明显改善;同样在惰性气体环境中经过室温和450℃除气处理,0～45 μm粉末比0～75 μm粉末制备的FGH95合金氧含量增加了33%;在低氧环境中,除气温度对合金氧含量影响不大;氧含量的...
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| Published in | 特殊钢 Vol. 45; no. 4; pp. 124 - 130 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国航发北京航空材料研究院先进高温结构材料重点实验室,北京 100095
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1003-8620 |
| DOI | 10.20057/j.1003-8620.2024-00110 |
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| Abstract | TF122.5; 通过化学成分测试分析、扫描电子显微镜观察、透射电镜观察、力学性能检测等分析方法,研究了粉末粒度、粉末处理工艺以及粉末处理环境对FGH95合金氧含量的影响.结果表明,粉末处理环境对FGH95合金的氧含量及组织影响较大,相同粒度气雾化粉末在空气中处理后,其制备的合金氧含量相比惰性气体环境中除气制备的合金增加了115%,而低氧环境中制备FGH95合金的w[O]仅为0.003 9%,其PPB组织得到明显改善;同样在惰性气体环境中经过室温和450℃除气处理,0～45 μm粉末比0～75 μm粉末制备的FGH95合金氧含量增加了33%;在低氧环境中,除气温度对合金氧含量影响不大;氧含量的差异并未对FGH95合金的室温强度造成较大影响,但氧含量增高会降低合金的塑性. |
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| AbstractList | TF122.5; 通过化学成分测试分析、扫描电子显微镜观察、透射电镜观察、力学性能检测等分析方法,研究了粉末粒度、粉末处理工艺以及粉末处理环境对FGH95合金氧含量的影响.结果表明,粉末处理环境对FGH95合金的氧含量及组织影响较大,相同粒度气雾化粉末在空气中处理后,其制备的合金氧含量相比惰性气体环境中除气制备的合金增加了115%,而低氧环境中制备FGH95合金的w[O]仅为0.003 9%,其PPB组织得到明显改善;同样在惰性气体环境中经过室温和450℃除气处理,0～45 μm粉末比0～75 μm粉末制备的FGH95合金氧含量增加了33%;在低氧环境中,除气温度对合金氧含量影响不大;氧含量的差异并未对FGH95合金的室温强度造成较大影响,但氧含量增高会降低合金的塑性. |
| Abstract_FL | The effects of powder particle size,powder treatment technology and powder treatment environment on oxygen content of FGH95 alloy were studied by chemical composition analysis,scanning electron microscope,transmission elec-tron microscope(TEM)and mechanical property detection.The results showed that the powder treatment environment had great influence on the oxygen content and microstructure of FGH95 alloy,and the oxygen content of the alloy was in-creased by 115%compared with that of the degassed alloy prepared in the inert gas environment after the atomized powder treated in air with the same particle size,the oxygen content of FGH95 alloy prepared in low oxygen environment was only 0.003 9%,which significantly improved the PPB structure in the alloy.Similarly the oxygen content of FGH95 alloy pre-pared by 0-45 μm powder increased by 33%than that by 0-75 μm powder after the degassed treatment at room tempera-ture and 450℃in the inert gas environment.Powder treatment temperature has little effect on oxygen content of alloy which prepared by powder treated in low oxygen environment under the same conditions.The FGH95 alloy with different oxygen content had little effect on the strength at room temperature,but the ductility of the alloy was decreased with the in-crease of oxygen content. |
| Author | 范晓烁 刘玉峰 袁华 |
| AuthorAffiliation | 中国航发北京航空材料研究院先进高温结构材料重点实验室,北京 100095 |
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| Author_FL | Liu Yufeng Yuan Hua Fan Xiaoshuo |
| Author_FL_xml | – sequence: 1 fullname: Fan Xiaoshuo – sequence: 2 fullname: Liu Yufeng – sequence: 3 fullname: Yuan Hua |
| Author_xml | – sequence: 1 fullname: 范晓烁 – sequence: 2 fullname: 刘玉峰 – sequence: 3 fullname: 袁华 |
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| DocumentTitle_FL | Effect of Powder Treatment on Oxygen Content,Microstructure and Mechanical Properties of FGH95 Superalloy |
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| Keywords | 力学性能 镍基高温合金 Powders Hot Isostatic Pressure Oxygen Content 热等静压 Mechanical Properties 氧含量 Nickel-based Superalloy 组织 Microstructure 粉末 |
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| Title | 粉末处理对FGH95氧含量、微观组织及力学性能的影响 |
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