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激光熔覆金刚石−金属耐磨涂层的组织和性能

data-id="" iid="">daemagazine.comhttp://www.daemagazine.com/.../j.cnki.jgszz.2023.0127?viewType=HTML激光熔覆金刚石−金属耐磨涂层的组织和性能网页2023年6月11日 · 在10~30 μm的细颗粒金刚石表面进行镀Cr处理,并将其与Ni-Cr-B-Si粉末混合置于碳钢表面,采用激光热源将预置粉末熔覆于碳钢表面制备耐磨涂层。结果表明:金刚石表面的增厚镀Cr层在激光高温热场中可有效保护金刚石,避免金刚石在高温下发生氧化及石墨化,且可使金刚石与金属基体间实现冶金结合。

发布时间:2024-07-12
Rework Modification and Repair of Electronic Assemblies

data-id="" iid="">IPC International, Inc.https://www.ipc.org/TOC/IPC-7711D-7721D_TOC.pdf[PDF]Rework, Modification and Repair of Electronic Assemblies网页2024年2月2日 · Developed by the Repairability Subcommittee (7-34) of the Product Assurance Committee (7-30) of IPC. Users of this publication are encouraged to participate in the development of future revisions. Contact: IPC 3000 Lakeside Drive, Suite 105N Bannockburn, Illinois 60015-1249 Tel 847 615.7100 Fax 847 615.7105.

发布时间:2024-07-12
ElectricMagnetic Intervention for Bone Regeneration A

data-id="" iid="">PubMedhttps://pubmed.ncbi.nlm.nih.gov/36170583Electric/Magnetic Intervention for Bone Regeneration: A网页Electric/magnetic material or field is a promising strategy for bone regeneration. The aim of this systematic review and network meta-analysis was to analyze the evidence regarding the efficacy of electric and magnetic intervention for bone regeneration and provide directions for further research. A comprehensive search was performed to ...

发布时间:2024-07-12
Advanced surface engineering of titanium materials for

data-id="" iid="">PubMedhttps://pubmed.ncbi.nlm.nih.gov/37035422Advanced surface engineering of titanium materials for网页2023年3月27日 · Advanced surface engineering of titanium materials for biomedical applications: From static modification to dynamic responsive regulation Bioact Mater. 2023 Mar 27:27:15-57. doi: 10.1016/j.bioactmat.2023.03.006. eCollection 2023 Sep. Authors Pinliang Jiang 1 ...

发布时间:2024-07-12
Introduction to HTML

发布时间:2024-07-12
END OF MODIFICATION

data-id="" iid="">Department of Energyhttps://www.energy.gov/sites/default/files/2023-05/...[PDF](END OF MODIFICATION) - Department of Energy网页2023年5月4日 · modification 0127 part iii – list of documents, exhibits, and other attachments, section j – list of ... this item only applies to modification of contracts/orders. it modifes the contractiorder no. as described in item 14. a. th s change order s ssued pursuant to: (specify authority) the changes set forth n tem 14 are made n the contract ...

发布时间:2024-07-12

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