1) Material damage
材质损伤
1.
In this paper,through strength calculating and comprehensive testing for material of #1 boiler main steam pipes which had worked 150 thousands hour in Zhangze power plant,we think these main steam pipes are not serious on material damage and on the second stage of creep,so they may safely-operating continuously.
通过对漳泽电厂运行15万h的1号炉主蒸汽管道材质综合试验及强度核算,认为该主蒸汽管材质损伤不严重,处于蠕变第二阶段,尚可继续安全运行。
2) material damage
材料损伤
1.
Based on the model, a plastic instability criterion due to material damage has been established, in the equivalent strain space, in order to predict the forming limit curve (FLC) under the conditions of both the proportional and the non-proportional loading process.
探讨了用损伤基力学模型研究应变路径对薄金属板塑性失稳的影响 ,这种力学模型考虑了材料损伤作用 。
2.
The role of material damage played during deformation and final failure of aluminum sheet is discussed.
基于改进的Dugdale模型和已有的材料损伤率 ,计算了损伤区内的损伤分布和拉伸应力 ,讨论了损伤在整体材料破坏过程的作用 。
3.
In the method a damage variable which is the combination of the second and third order elastic constants of the material is defined, and the variation of this parameter caused by material damage is detected by the relative change of flying time for the transverse acoustic waves in the specimen.
本文提出一个利用非线性参数研究材料损伤的声弹性方法。
3) damaged material
损伤材料
5) lipid mechanism harm
脂质损伤
1.
Protecting effect of Salvia injection combined with glutathione liquid on lipid mechanism harm in fatty liver rats;
丹参注射液联合谷胱甘肽液治疗对脂肪肝大鼠脂质损伤的保护作用
6) White matter damage
白质损伤
1.
Quantitive analysis of neonatal cerebral white matter damage;
新生儿脑白质损伤的定量评价
补充资料：SECC材质标准
SECC材质标准
1.主题
本标准规定了我司用电镀锌薄碳钢带SECC的技术要求。
*本标准适用复押工艺和滚压工艺生产用SECC。
2.引用标准
GB223 钢铁及合金化学分析方法
GB228 金属拉伸试验方法
GB230 金属洛氏硬度试验方法
GB232 金属弯曲试验方法
GB2975 钢材力学及工艺性能试验取样规定
GB4156 金属杯突试验方法
3.分类
标记形式:：SECC-„D T##´##(#表示数字,”´”之前表示厚度,之后表示
宽度。单位mm)
举例：SECC-SD T0.6´33.9表示厚度0.6mm宽度33.9mm的电镀锌薄碳钢带。
4.技术要求
*4.1化学成分
元素代号
C
Si
Mn
P
S
百分含量%
<0.12
<0.05
<0.50
<0.025
<0.025
钢中其他残余元素含量应符合下列规定：
Cu<0.15%, Ni<0.15%, Cr<0.15%, As<0.05%, Sn<0.05%.
4.2拉伸性能
抗拉强度
屈服强度
下列厚度(mm)的伸长率 %
MPa
MPa
0.25~<0.4
0.4~<0.6
0.6~<1
1<1.6
1.6~<2.5
³2.5
300~400
250~320
³32
³34
³36
³37
³38
³40
4.3硬度
代号
S
8
4
2
1
HRB
45~55
50~71
65~80
76~85
³85
*HV
<100
95~130
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条