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- Heat treatment and pre-strain, tensile test of the material and four point bending test have been carried to obtain the mechanical property of the undegraded and degraded material at low temperature. 本文首先通过分析复合脆化处理实验、拉伸实验和缺口试件四点弯曲实验的结果,考察比较某核压力容器钢在脆化处理前后的室温和低温力学性能。
- By using elasto-plastic finite element calculation and three point bending test,the in-fluence of strength matching and crack depth on fracture properties are investigated. 利用弹塑性有限元计算和三点弯曲试验对不同裂纹深度、不同强度组配焊接接头试样的断裂性能进行了研究。
- The results show that,in the mechanical bend fatigue test and three point bend test,the underfill material of U1 and U2 both can improve the mechanical bend reliability of BGA assemblies,and U1 material performs better. 结果发现在机械弯曲可靠性试验中,U1、U2材料的填充均能提高焊点的机械弯曲可靠性,并且U1的效果更好。
- The correlation between 300M steel surface stress and Barkhausen signal has been studied by applying four points bending and analyzed with the magnetostrictive model. 摘要采用四点弯曲加载,研究300M钢表层应力与巴克豪森信号值的关系,并用磁滞伸缩模型对试验结果进行了分析。
- Four points bending low-cycle fatigue lifetime of armor steel 616 Tee joints after weld finishing has been analyzed and measures to improve the fatigue lifetime have been proposed in the paper. 本文对转炉616装甲钢T型焊接接头四点弯曲低周疲劳试验结果进行了分析、研究,阐述了提高T型焊接接头低周疲劳寿命的有效措施。
- Analysis of the Effect of the Three Point Bending Test of Steel Slabs With Different Coating Using MCA Method 用MCA方法研究不同涂层对钢板三点弯曲的影响
- four point bending 四点弯曲
- he conditional fatigue crack initiation lifes have been measured using rectangle notched specimens ofsteel 20CrMnMo under four point bending loads and the fatigue crack initation behaviors have ben studiedby microanalysis. 本文用四点弯曲加载法测定了20CrMnMo钢矩形缺口试样的条件疲劳裂纹萌生寿命,并用微观分析研究了疲劳裂纹的萌生行为。
- The price is four point three million dollars. 成交价为四百三十万元。
- three point bending test 三点弯曲试验
- three point bend test 三点弯曲梁
- I would like to ask four point five million Hong Kong dollars. 我希望定价为港币四百五十万元。
- I would like to mark four point five million Hong Kong dollars. 我希望订价为港币四百五十万元。
- Now I should like to speak on four points. 现在,我讲四点意见。
- When we read out 4.23, we say "four point two three". 我们把4.;23读作四点二三。
- Three points bending test 三点弯曲试验
- Only four points separate the top three teams. 领先的三队只相差四分。
- Creates an array of four points to define a spline. 创建一个包含四个点的数组来定义样条。
- They are still four points behind. 他们仍落后四分。
- According to Chinese Standard GB2038, ?J? integral test was carried out on base metal, weld and HAZ(heat affected zone) of X52 ERW pipes and X60 SSAW pipes under a series of temperature with TPB(three point bending) specimens. 试验按照GB2 0 38标准要求 ,采用三点弯曲试样 ,分别对进口X52ERW焊管母材、焊缝以及国产X60SSAW焊管母材、焊缝、热影响区进行系列温度J积分试验。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries