Yunfeng Liu

Sep 26, 2023 | mdpi.com | Dandan Li |Kaiyang Li |Yunfeng Liu |Jiajie Gao

3. SCC Studies of Cu-Ni AlloysThe study of stress corrosion cracking (SCC) is significant for Cu-Ni alloys. In practical applications, the stress applied on Cu-Ni alloys includes residual stress during machining, sudden opening and closing of the valve, fluid pressure, and so on [17]. As for the SCC resistance, it is widely recognized that Cu-Ni alloys are typically SCC-resistant in seawater or related marine environments [18,19].

Mar 1, 2023 | opg.optica.org | Wei Liang |Yunfeng Liu

AbstractA narrow linewidth laser (NLL) of high frequency stability and small form factor is essential to enable applications in long-range sensing, quantum information, and atomic clocks. Various high performance NLLs have been demonstrated by Pound–Drever–Hall (PDH) lock or self-injection lock (SIL) of a seed laser to a vacuum-stabilized Fabry–Perot (FP) cavity of ultrahigh quality (Q) factor.