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Nd3+:YAG倍频激光触发含氢钯材的热效应与表面观测
Heat Measurements and Surface Studies of Pd Wires Irradiated with a YAG Frequency Doubling Laser after Being Exposed to a H2 Gas-loading System
【摘要】 在PH2∠1atm条件下,利用气态充氢技术将高纯氢气充入金属钯晶格中,并达到一定充氢率();利用的Nd3+:YAG倍频激光对不同的钯材进行照射,测量激光对不同充氢钯材的"过热"触发效应和观察钯表面成分变化。实验结果表明,使用波长=532nm的激光对此H/Pd系统没有明显的过热触发效应。但是在对含氢钯进行SEM和EDS分析时发现:在钯丝表面一些局部区域,有新的元素生成,如银和镉,说明系统中存在核嬗变效应。
【Abstract】 In the condition of PH2∠1atm,make high-purity hydrogen into palladium use hydroger gas-loading technology,and reacha certain rate of hydrogen gas-loading.Exposure to different palladium materials use Nd3+:YAG frequency doubling laser,measure"excess heat"triggering effect and observe changes in the surface composition. The results showed that ex-periments using laser stimulation produced no significant excess heat evidence. However,on the surface of Pd sample there were some new elements including Ag and Cd,which were found in localized sites by SEM and EDS analysis and implied for some nuclear transmutation process.
【Key words】 H/Pd gas-loading system; loading radio of H2; Nd3+:YAG frequency doubling laser; "Excess heat"trig-gering; nuclear transmutation;
- 【文献出处】 长春理工大学学报(自然科学版) ,Journal of Changchun University of Science and Technology(Natural Science Edition) , 编辑部邮箱 ,2008年03期
- 【分类号】TN248
- 【被引频次】1
- 【下载频次】50