{"id":2324,"date":"2018-12-03T14:46:11","date_gmt":"2018-12-03T06:46:11","guid":{"rendered":"https:\/\/oqitop.com\/?p=2324"},"modified":"2025-12-02T14:48:33","modified_gmt":"2025-12-02T06:48:33","slug":"metal-foams-porous-structures-lead-to-a-new-future-of-material-revolution","status":"publish","type":"post","link":"https:\/\/oqitop.com\/ko\/metal-foams-porous-structures-lead-to-a-new-future-of-material-revolution\/","title":{"rendered":"Metal Foams! Porous structures lead to a new future of material revolution"},"content":{"rendered":"

From Microscopic to Macroscopic: The Wonderful World of Foamed\u00a0Metal<\/b>s<\/strong>
\nImagine a piece of metal with an intricate network of pores, with air occupying more than 90% of the space – this is the uNi<\/b>que structure offoamed metals. This is the unique structure of foam metal. It retains the high strength and corrosion resistance of metal, but because of the pore structure, it has gained ultra-lightweight characteristics (density of only 1\/5 of conventional metal) and a large specific surface area. This characteristic of \u201cflexibility and rigidity\u201d makes it a \u201cuniversal building block\u201d in the hands of scientists: by adjusting the porosity and skeleton configuration (e.g., biomimetic Kelvin honeycomb, helical Gyroid structure), it is possible to customize the properties of thermal conductivity, energy absorption, catalysis, etc., as if for different scenarios and applications. By adjusting the porosity (e.g. Kelvin honeycomb, spiral Gyroid structure), we can customize the thermal conductivity, energy absorption, catalytic properties, etc., as if we were creating a tailor-made \u201cmetal coat\u201d for different scenes.
\nThermal management: putting a gas pedal on energy\u00a0<\/strong>
\nIn the heat storage tanks of solar power plants and the battery packs of electric cars, foam metals are quietly rewriting the rules of heat transfer. Traditional phase change materials (such as paraffin) can store heat, but due to poor thermal conductivity and \u201cslow action\u201d. The addition of foam metal, as if in the heat storage material paved a crisscross of \u201cthermal conductivity highway\u201d – the metal skeleton rapid heat absorption, pore in the phase change material efficient heat storage, the two collaborate, the thermal conductivity soared by more than 10 times. The study shows that the melting time of the foam metal composite phase change material with Gyroid structure is 31% shorter than that of the traditional structure, and the Primitive configuration is even more \u201csimple and brutal\u201d in terms of thermal conductivity efficiency. In the future, with the bionic pores accurately designed by 3D printing technology, this kind of material may become the \u201cenergy storage heart\u201d in the era of green energy.
\nInto the teaching: the \u201cmagician\u201d in the chemistry laboratory<\/strong>
\nIn the chemistry classroom in secondary schools, foam metal is being transformed into an \u201cexperimental magic weapon\u201d. A piece of\u00a0foam nickel\u00a0folded into the electrode will be able to extend the discharge time of the hydroxide fuel cell from 14 seconds to 67 seconds – only because the pores lock more gas; spiral curled foam copper-catalyzed ethanol oxidation, the reaction rate due to the contact area surge and doubled; even better, loaded titanium dioxide foam nickel in the ultraviolet light \u201cDance\u201d, just 1 hour will be formaldehyde concentration from 0.7 mg\/m\u00b3 down to 0.08 mg\/m\u00b3, removal rate of nearly 90%. These experiments not only make abstract theories \u201cvisible and tangible\u201d, but also plant the seeds of material innovation in the hearts of young students.
\nNoise reduction and safety: the \u201cinvisible guardian\u201d in the city\u00a0<\/strong>
\nIn the hustle and bustle of the city, foam metal silently plays the role of \u201csilent guardian\u201d.\u00a0Aluminum foam open-cell\u00a0labyrinth-like pores swallow sound waves, become a concert hall, high-speed rail station noise reduction tool; and in the car bumper, aluminum foam such as \u201cmetal airbags\u201d like energy-absorbing cushioning, collision absorbed energy than ordinary metal 30% higher. What’s more amazing is that this kind of material can even be used for building explosion-proof – the use of foam aluminum composite structure, successfully resisting the explosion shock wave, for the safety design to open up a new dimension.
\nThe future is here: 3D printing reconfigures the material gene.\u00a0<\/strong>
\nThe pores of traditional foam metal are like naturally growing vines, random and uncontrollable. Today, laser additive manufacturing technology is breaking down this limitation. Scientists like \u201cwriting programs\u201d like the design of Gyroid, IWP, and other biomimetic structures, so that the arrangement of pores such as honeycomb precision; combined with nano-particle filling technology, also create a \u201cthermal conductivity + energy storage\u201d dual-optimized super composite materials. Maybe shortly, we can customize a piece of pore structure with a cell phone APP, and print out\u00a0foam metal\u00a0in real time to fit different scenarios – from the heat insulation layer of spacecraft to the silent wall at home, everything is possible.<\/p>\n

\"\"<\/p>","protected":false},"excerpt":{"rendered":"

From Microscopic to Macroscopic: The Wonderful World of Foamed\u00a0Metals Imagine a piece of metal with an intricate network of pores, with air occupying more than 90% of the space – this is the uNique structure offoamed metals. This is the unique structure of foam metal. It retains the high strength and corrosion resistance of metal, […]<\/p>","protected":false},"author":1,"featured_media":2326,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/posts\/2324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/comments?post=2324"}],"version-history":[{"count":0,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/posts\/2324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/media\/2326"}],"wp:attachment":[{"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/media?parent=2324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/categories?post=2324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oqitop.com\/ko\/wp-json\/wp\/v2\/tags?post=2324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}