Life extension of ferritic creep resistant steel by reduced dislocation density
Life extension of ferritic creep resistant steel by reduced dislocation density
批准号:
20360323
负责人:
KIMURA Kazuhiro
金额:
$9.9万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010
中文摘要
现有的高强度铁素体抗蠕变钢含有大量的位错,因此,在高于现有钢可用温度范围上限的700和750℃的高温下,铁素体钢含有降低的位错密度,而不是回火马氏体。在700℃和750℃下,铁素体钢通过降低位错密度获得了比现有高强度铁素体抗蠕变钢更高的蠕变强度,并且第二相的析出行为是一种增强剂。
英文摘要
Existing high strength ferritic creep resistant steels contain large amounts of dislocations, therefore, a potential of strengthening at the elevated temperatures of 700 and 750℃ which is above the upper limit of usable temperature range for existing steels has been investigated on ferritic steels contain reduced dislocation density with ferrite matrix instead of tempered martensite. It has been revealed on ferritic steels that the higher creep strength is obtained by reducing dislocation density than the existing high strength ferritic creep resistant steels at 700 and 750℃, and precipitation behavior of second phase which is a strengthener has been demonstrated.
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耐熱性精密部品
耐热精密零件
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[]
通讯作者:
耐熱性精密部品用フェライト系Cr鋼とその製造方法,および耐熱性精密部品とその製造方法
耐热精密零件用铁素体Cr钢及其制造方法、耐热精密零件及其制造方法
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[]
通讯作者:
化学処理装置用の耐熱部品
化学加工设备用耐热部件
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[]
通讯作者:
耐熱性精密部品用フェライト系Cr鋼とその製造方法、および耐熱性精密部品とその製造方法
耐热精密零件用铁素体Cr钢及其制造方法、耐热精密零件及其制造方法
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[]
通讯作者:
DOI:
10.1016/j.ijpvp.2010.03.016
发表时间:
2010-06
期刊:
International Journal of Pressure Vessels and Piping
影响因子:
3
作者:
[K. Kimura;Y. Toda;H. Kushima;K. Sawada]
通讯作者:
K. Kimura;Y. Toda;H. Kushima;K. Sawada
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