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载能离子辐照的ODS铁素体钢硬化效应的研究

张恒庆 张崇宏 宋银 杨义涛 孟彦成 张丽卿 缑洁 Jinsung Jang Akihiko Kimura

张恒庆, 张崇宏, 宋银, 杨义涛, 孟彦成, 张丽卿, 缑洁, Jinsung Jang, Akihiko Kimura. 载能离子辐照的ODS铁素体钢硬化效应的研究[J]. 原子核物理评论, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
引用本文: 张恒庆, 张崇宏, 宋银, 杨义涛, 孟彦成, 张丽卿, 缑洁, Jinsung Jang, Akihiko Kimura. 载能离子辐照的ODS铁素体钢硬化效应的研究[J]. 原子核物理评论, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
Citation: ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095

载能离子辐照的ODS铁素体钢硬化效应的研究

doi: 10.11804/NuclPhysRev.32.01.095

Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation

  • 摘要: 研究了氧化物弥散强化(ODS) 的3 种铁素体钢,包括: 19Cr-3.5Al ODS钢(MA956),16Cr-0.1TiODS和16Cr-0.1Zr ODS铁素体钢,在多能量的氦离子和MeV能量级的Bi、Xe 离子辐照条件下的硬化效应。获得了辐照硬化与原子离位损伤水平(dpa)、He 注入浓度的关系。结果表明,材料的硬度在低剂量范围会随着辐照剂量迅速增加,而在高剂量范围材料的硬度逐渐趋于饱和,可以用1/2 次的幂函数拟合辐照硬化与离位损伤水平之间的关系。不同入射离子——Bi离子和Xe离子都会引起ODS 钢的硬化,而氦离子还会在材料中聚集导致氦泡的形成,造成更加明显的硬化。实验证明,Ti 或Zr 掺杂的16Cr-ODS 铁素体钢较19Cr-3.5AlODS钢具有更强的抗辐照硬化能力,原因可归于其含有更高数密度的细小氧化物粒子——能够有效俘获点缺陷和氦原子,从而有效抑制晶粒内部和晶界出缺陷的长大。The present work investigates the irradiation hardening of ODS ferritic steels after multi-energy Heion implantation, or energetic Bi-ion and Xe-ion irradiation, to get an understanding of dependence of irradiationhardening on atomic displacement damage and gas accumulation. Three kinds of high-Cr ODS ferritic steels including the commercial MA956 (19Cr-3.5Al), the 16Cr-0.1Ti and the 16Cr-0.1Zr ODS ferritic steels were used.The results show that the hardness increases rapidly at the lower doses but tends to saturate at the higher dose.An 1/2-power law dependence on dpa value is obtained. Helium implantation contributes significantly to the irradiation hardening, possibly due to the impediment of the motion dislocations by helium bubbles. 16Cr-ODS (Ti or Zr added) ferritic which contains finer oxide particles in higher number density shows higher resistance to irradiation hardening than the MA056.
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  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2015-03-20

载能离子辐照的ODS铁素体钢硬化效应的研究

doi: 10.11804/NuclPhysRev.32.01.095

摘要: 研究了氧化物弥散强化(ODS) 的3 种铁素体钢,包括: 19Cr-3.5Al ODS钢(MA956),16Cr-0.1TiODS和16Cr-0.1Zr ODS铁素体钢,在多能量的氦离子和MeV能量级的Bi、Xe 离子辐照条件下的硬化效应。获得了辐照硬化与原子离位损伤水平(dpa)、He 注入浓度的关系。结果表明,材料的硬度在低剂量范围会随着辐照剂量迅速增加,而在高剂量范围材料的硬度逐渐趋于饱和,可以用1/2 次的幂函数拟合辐照硬化与离位损伤水平之间的关系。不同入射离子——Bi离子和Xe离子都会引起ODS 钢的硬化,而氦离子还会在材料中聚集导致氦泡的形成,造成更加明显的硬化。实验证明,Ti 或Zr 掺杂的16Cr-ODS 铁素体钢较19Cr-3.5AlODS钢具有更强的抗辐照硬化能力,原因可归于其含有更高数密度的细小氧化物粒子——能够有效俘获点缺陷和氦原子,从而有效抑制晶粒内部和晶界出缺陷的长大。The present work investigates the irradiation hardening of ODS ferritic steels after multi-energy Heion implantation, or energetic Bi-ion and Xe-ion irradiation, to get an understanding of dependence of irradiationhardening on atomic displacement damage and gas accumulation. Three kinds of high-Cr ODS ferritic steels including the commercial MA956 (19Cr-3.5Al), the 16Cr-0.1Ti and the 16Cr-0.1Zr ODS ferritic steels were used.The results show that the hardness increases rapidly at the lower doses but tends to saturate at the higher dose.An 1/2-power law dependence on dpa value is obtained. Helium implantation contributes significantly to the irradiation hardening, possibly due to the impediment of the motion dislocations by helium bubbles. 16Cr-ODS (Ti or Zr added) ferritic which contains finer oxide particles in higher number density shows higher resistance to irradiation hardening than the MA056.

English Abstract

张恒庆, 张崇宏, 宋银, 杨义涛, 孟彦成, 张丽卿, 缑洁, Jinsung Jang, Akihiko Kimura. 载能离子辐照的ODS铁素体钢硬化效应的研究[J]. 原子核物理评论, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
引用本文: 张恒庆, 张崇宏, 宋银, 杨义涛, 孟彦成, 张丽卿, 缑洁, Jinsung Jang, Akihiko Kimura. 载能离子辐照的ODS铁素体钢硬化效应的研究[J]. 原子核物理评论, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
Citation: ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095

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