Results 21 to 30 of about 24,395 (163)
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Nickel‐based superalloys (Ni‐based superalloys) have attracted extensive attention in laser additive manufacturing (LAM) due to their capability to directly fabricate complex and high‐performance structural components. However, the rapid melting and solidification inherent to LAM result in intense thermal cycling, which induces high residual ...
Tianxiang Lin +9 more
wiley +1 more source
Gaoya dianqi, 1992 可靠性技术是以概率论为理论基础、以数理统计为基本方法的一门新技术。它包括可靠性设计、可靠性制造、可靠性管理、可靠性试验以及失效分析等很多内容。 本书在绪论中对可靠性的基本概念作了简单的介绍,第一章至第六章分别阐述了可靠性数学基础,可靠性特征量、可靠性统计、可靠性试验 ...
吴
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Dianci bileiqi, 2020 城市配电线路建设会存在架空线路与埋地电缆混合传输现象,需要合理分析混合传输系统雷击可靠性以进行针对性防护。通过EMTP软件建立架空线路与埋地电缆混合传输系统模型,利用事件树方法估算系统雷击可靠性,分析电缆避雷器安装方式、杆塔接地电阻、埋地电缆长度等因素对系统雷击可靠性影响,最后讨论缩短故障修复时间提高系统雷击可靠性效果。研究结果表明:埋地电缆两端均安装避雷器时,系统雷击可靠性最高,略高于仅在一端安装避雷器情况。系统雷击可靠性随着线路杆塔接地电阻或埋地电缆长度的增加而降低 ...
杨鹏 +5 more
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The Packaging Technology and Optimization of Chip-on-Board LED [PDF]
, 2015 COB（ChipOnBoard）LED可根据灯具结构设计出光面积及外形尺寸，便 于灯具电路电气设计、散热设计，利于二次光学设计，实现高显色性、发光均 匀，显著提高LED灯具的光色质量。广泛应用于室内一般照明、商业照明、道 路照明及其它功能性照明。本文介绍了COBLED的发展历史和应用前景、COB LED的结构和工作原理、COBLED使用的物料、COBLED产品的封装工艺流 程等，讨论提高COBLED产品光效方法。主要通过以下多个方面的试制、测 试进行验证： 1.针对12mm ...
林祯祥
core
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT The edge deployment of artificial intelligence has driven the exploitation of compact, energy‐efficient information processing systems that integrate sensing, memory, and multi‐task processing functions. However, conventional vision systems suffer from significant energy/time overhead, extra hardware costs, and an unaffordable algorithm ...
Shanshan Jiang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Zirconium dioxide (ZrO2) thin films are critical materials owing to their thermal stability, mechanical durability, and optical transparency enabling applications in photonic, sensing, and electronic devices. However, achieving uniform deposition via plasma‐enhanced chemical vapor deposition (PE‐CVD) has remained challenging due to poor ...
Nour Manafikhi +4 more
wiley +1 more source
Study on New Product Development Quality Management of A Company based on DFSS [PDF]
, 2016 产品研制的合格率低、可靠性差以及用户体验感不好是很多企业的常见问题。研究发现：造成研发质量此类问题的主要原因为企业在产品设计过程对客户需求的理解有偏差，未能在研发阶段尽早发现潜在质量问题，导致产品设计不够稳健。研究一个适合研发型企业的开发管理体系，并寻找合适产品开发设计的控制方法和模式来保证产品开发设计的过程得到充分管控，保证产品研发质量成为一个迫切需求。特别在客户需求识别、产品的失效模式和关键质量控制点的识别等关键环节过程，以及在设计参数和容差上缺乏管控和优化的过程探索一个合适的管理方法 ...
钟嘉强
core
Veterinary Dermatology, Volume 37, Issue 2, Page 236-246, April 2026.Canine atopic dermatitis (cAD) is a chronic condition requiring life‐long management. Accurate diagnosis can be challenging, with no reliable diagnostic test. This study aimed to generate a simple diagnostic model for cAD. This model is a relevant prototype for an app‐based tool to support general practitioners in the diagnosis of cAD alongside ...
Xavier Langon +2 more
wiley +1 more source
Gaoya dianqi, 2005 给出了两种与高压断路器机械可靠性特点相适应的机械可靠性计算模型,并运用模型对目前在我国中压电网中应用十分广泛的真空断路器的机械可靠性进行了计算与分析,得到了对断路器机械可靠性影响较大的主要机械零部件的设计可靠度和在断路器不同开断次数下的可靠度,为提高高压断路器的可靠性提供了理论依据。
石飞 +5 more
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