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In this research, bioactive glass particles prepared by the reactive flash nanoprecipitation method (RFNP‐BG particles) are used to crosslink sodium alginate to prepare biological sponges (SA‐BG sponges) by freeze‐drying. An experiment for the cross‐linking mechanism confirms that the continuous release of Ca2+ from RFNP‐BG is promoted by the crosslinking reaction and in turn leads to the gelation...
Polyetheretherketone (PEEK) is a thermoplastic engineering plastic with excellent mechanical properties. In this article, PEEK and its composites filled with ultrahigh‐molecular‐weight polyethylene (UHMWPE) were prepared by vacuum hot‐pressing method. Tribological properties of these materials were investigated by block‐on‐ring friction and wear rig. An alloy (CoCrMo) ring and a ceramic (Si3N4) ring...
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