{"id":3867,"date":"2024-03-18T06:10:08","date_gmt":"2024-03-18T06:10:08","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/niobium-powder\/"},"modified":"2024-03-18T06:10:08","modified_gmt":"2024-03-18T06:10:08","slug":"niobium-powder","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/ko\/product\/niobium-powder\/","title":{"rendered":"\ub2c8\uc624\ube00 \ubd84\ub9d0"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"><\/p>\n<h2>\ub2c8\uc624\ube00 \ud30c\uc6b0\ub354 \uac1c\uc694<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium is a shiny, white refractory transition metal with outstanding heat resistance and very high melting point. In powder form, it exhibits excellent thermal, electrical, and chemical stability.<\/p>\n<p class=\"whitespace-pre-wrap\">Key properties of niobium powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">High heat resistance and refractory nature<\/li>\n<li class=\"whitespace-normal\">\uc544\uc8fc \ub6f0\uc5b4\ub09c \ub0b4\uc2dd\uc131<\/li>\n<li class=\"whitespace-normal\">Superconducting below 9.2K (-264\u00a1\u00abC)<\/li>\n<li class=\"whitespace-normal\">Thermal and electrical stability<\/li>\n<li class=\"whitespace-normal\">Low neutron absorption<\/li>\n<li class=\"whitespace-normal\">High density powder with good chemical purity<\/li>\n<li class=\"whitespace-normal\">Available in various particle size ranges<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Niobium powder is used where its refractory, conductive, and superconductive properties can be utilized. The major applications include electronics, superconductors, alloys, chemical\/heat resistant components, optical coatings, and pyrotechnics.<\/p>\n<h2>Composition of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder has the following typical composition:<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc694\uc18c<\/th>\n<th>\uc21c\uacb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub2c8\uc624\ube00(Nb)<\/td>\n<td>99% \uc774\uc0c1<\/td>\n<\/tr>\n<tr>\n<td>\ud0c4\ud0c8\ub968 (Ta)<\/td>\n<td>\ucd5c\ub300 0.5%<\/td>\n<\/tr>\n<tr>\n<td>hafnium(Hf)<\/td>\n<td>\ucd5c\ub300 0.01%<\/td>\n<\/tr>\n<tr>\n<td>\uc9c8\uc18c (N)<\/td>\n<td>\ucd5c\ub300 0.03%<\/td>\n<\/tr>\n<tr>\n<td>\ud0c4\uc18c(C)<\/td>\n<td>\ucd5c\ub300 0.05%<\/td>\n<\/tr>\n<tr>\n<td>\uc0b0\uc18c(O)<\/td>\n<td>0.1-0.2%<\/td>\n<\/tr>\n<tr>\n<td>\uc218\uc18c(H)<\/td>\n<td>0.0015% max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">High purity niobium powder contains over 99% niobium metal with low impurity levels. Commercial grades have higher permissible impurities.<\/p>\n<h2>Properties of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder exhibits the following properties:<\/p>\n<table>\n<thead>\n<tr>\n<th>\ubd80\ub3d9\uc0b0<\/th>\n<th>\uac00\uce58<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ubc00\ub3c4<\/td>\n<td>8.57 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>\uc6a9\uc735\uc810<\/td>\n<td>2477\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>\uc5f4 \uc804\ub3c4\uc131<\/td>\n<td>53 W\/m?K<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uae30 \uc800\ud56d\ub960<\/td>\n<td>15 \u00c3\u00d7\u00b4\u00ce?cm<\/td>\n<\/tr>\n<tr>\n<td>\uc601\ub960<\/td>\n<td>105 GPa<\/td>\n<\/tr>\n<tr>\n<td>\ud478\uc544\uc1a1 \ube44<\/td>\n<td>0.40<\/td>\n<\/tr>\n<tr>\n<td>\uc7a5\ub825 \uac15\ub3c4 (Tensile strength)<\/td>\n<td>550 MPa<\/td>\n<\/tr>\n<tr>\n<td>\uc555\ucd95 \uac15\ub3c4 (Compressive Strength)<\/td>\n<td>200 MPa<\/td>\n<\/tr>\n<tr>\n<td>\ube44\ucee4\uc2a4 \uacbd\ub3c4<\/td>\n<td>600 HV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Niobium has extremely high melting point and very good conductivity. It offers high strength at low and high temperatures. The superconducting transition temperature is 9.2K.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1409 aligncenter\" src=\"https:\/\/met3dp.com\/wp-content\/uploads\/2023\/09\/ed7a94ec-3c10-4b1b-87ed--300x300.jpg\" alt=\"\ub2c8\uc624\ube00 \ubd84\ub9d0\" width=\"300\" height=\"300\" title=\"\"><\/p>\n<h2>Production Methods for Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder can be produced by methods like:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Hydriding-Dehydriding<\/strong>?- Niobium ingots crushed into coarse powder and hydrided. The niobium hydride is vacuum dehydrided and milled into fine powder.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc11d\ud68c\uc5f4 \uac10\uc18c<\/strong>?- Reduction of niobium oxide with calcium followed by consolidation and crushing to powder.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc804\uae30\ubd84\ud574<\/strong>?- Molten salt electrolysis of niobium oxide to produce niobium sponge which is crushed into powder.<\/li>\n<li class=\"whitespace-normal\"><strong>Carbon Reduction<\/strong>?- Niobium oxide is reduced with carbon and processed into powder.<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">The hydriding process is most common but carbon and electrothermal reduction offer higher purity powder.<\/p>\n<h2>\ub2c8\uc624\ube00 \ubd84\ub9d0\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder is used in the following major applications:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>\uc804\uc790\uc81c\ud488<\/strong>?- Capacitors, superconducting radio frequency cavities, Josephson junctions, integrated circuits.<\/li>\n<li class=\"whitespace-normal\"><strong>Metal Alloys<\/strong>?- Added to steels and nickel-based alloys for strength and heat resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>\ucf54\ud305 \ubc0f \ud398\uc778\ud2b8<\/strong>?- Used in conductive coatings, spark-resistant paints, optical coatings.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc6a9\uc811<\/strong>?- As filler material for stainless steel, nickel alloys, and refractory metals.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud654\ud559 \uc0b0\uc5c5<\/strong>?- Components like heat exchangers, reactors vessels utilizing niobium&#8217;s stability.<\/li>\n<li class=\"whitespace-normal\"><strong>\ubd88\uaf43\ub180\uc774<\/strong>?- As fuel and oxidizer in pyrotechnic formulations.<\/li>\n<\/ul>\n<h2>Specifications of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder is available under various specifications:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>\uc21c\ub3c4 \ub4f1\uae09<\/strong>?- From commercial purity to ultra high purity (99.99%) based on impurities.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc785\uc790 \ud06c\uae30<\/strong>?- Ranging from 1 micron to 150 microns for various applications.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud615\ud0dc\ud559<\/strong>?- Irregular, spherical, nodular and flaked powder shapes.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud45c\uba74\uc801<\/strong>?- From low surface area up to high surface area powder grades.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc0b0\uc18c \ud568\uc720\ub7c9<\/strong>?- Low oxygen fine powder grades also available.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc131\uc801<\/strong>?- Customer specific particle characteristics and purity.<\/li>\n<\/ul>\n<h2>Global Suppliers of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Some of the major global niobium powder suppliers include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">H.C. \uc2a4\ud0c1(\ub3c5\uc77c)<\/li>\n<li class=\"whitespace-normal\">CBMM (Brazil)<\/li>\n<li class=\"whitespace-normal\">Niobec (Canada)<\/li>\n<li class=\"whitespace-normal\">ESPI Metals (USA)<\/li>\n<li class=\"whitespace-normal\">Continental Steel &amp; Tube (USA)<\/li>\n<li class=\"whitespace-normal\">ZhuZhou Oriental Powder Metallurgy (China)<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">These companies produce various niobium powder grades using different production methods at commercial to high purity levels.<\/p>\n<h2>Pricing of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder prices depend on factors like:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>\uc21c\ub3c4 \ub4f1\uae09<\/strong>?- From $50\/kg for commercial purity to over $500\/kg for ultra high purity grades.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc785\uc790 \ud06c\uae30<\/strong>\ub098\ub178 \uc2a4\ucf00\uc77c \ubc0f \ubbf8\ud06c\ub860 \uc774\ud558 \ubd84\ub9d0\uc740 \uac00\uaca9\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud615\ud0dc\ud559<\/strong>?- Spherical and smooth powders command premium pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc218\ub7c9<\/strong>?- \uaddc\ubaa8\uc758 \uacbd\uc81c\ub85c \uc778\ud574 \ub300\ub7c9 \uad6c\ub9e4 \uc2dc \uac00\uaca9\uc774 \ub0ae\uc544\uc9d1\ub2c8\ub2e4.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc81c\uc870\uc0ac<\/strong>?- Major global suppliers offer more competitive pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>\uc9c0\ub9ac<\/strong>?- \uac00\uaca9\uc740 \uc804 \uc138\uacc4 \uc9c0\uc5ed\ub9c8\ub2e4 \ub2e4\ub985\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>Storage and Handling of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium powder requires controlled storage and handling to:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Prevent exposure to air and moisture to minimize oxidation<\/li>\n<li class=\"whitespace-normal\">Avoid ignition and explosion hazards from fine powder<\/li>\n<li class=\"whitespace-normal\">Use appropriate ventilation and respiratory protection during handling<\/li>\n<li class=\"whitespace-normal\">Follow precautions in Safety Data Sheet from supplier<\/li>\n<li class=\"whitespace-normal\">Store sealed containes in a cool, dry place away from incompatibles<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Inert gas glove boxes, proper grounding and PPE should be used when handling niobium powder.<\/p>\n<h2>Inspection and Testing of Niobium Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">The following inspections and tests are typically performed on niobium powder:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>\ud654\ud559 \ubd84\uc11d<\/strong>?- Inductively coupled plasma or X-ray fluorescence techniques used for composition and purity check.<\/li>\n<li class=\"whitespace-normal\"><strong>Particle Size Testing<\/strong>?- Carried out as per ASTM B822 standard using laser diffraction technique.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud615\ud0dc\ud559<\/strong>?- Scanning electron microscopy used for determining shape and surface area.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud2b9\uc815 \ud45c\uba74\uc801<\/strong>?- BET gas absorption method used for measuring surface area per unit mass.<\/li>\n<li class=\"whitespace-normal\"><strong>Impurities Testing<\/strong>?- ICP-MS used to quantify levels of tantalum, oxygen, nitrogen and other impurities.<\/li>\n<li class=\"whitespace-normal\"><strong>\ud30c\uc6b0\ub354 \ud750\ub984<\/strong>?- Tested using Hall flowmeter as per ASTM B213 standard.<\/li>\n<\/ul>\n<h2>Comparison of Niobium and Tantalum Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Niobium and tantalum powders are two similar refractory metal powders compared:<\/p>\n<table>\n<thead>\n<tr>\n<th>\ud30c\ub77c\ubbf8\ud130<\/th>\n<th>\ub2c8\uc624\ube00 \ubd84\ub9d0<\/th>\n<th>\ud0c4\ud0c8\ub968 \ubd84\ub9d0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ubc00\ub3c4<\/td>\n<td>8.57 g\/cm3<\/td>\n<td>16.6 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>\uc6a9\uc735\uc810<\/td>\n<td>2477\u00a1\u00abC<\/td>\n<td>2996\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uae30 \uc800\ud56d\ub960<\/td>\n<td>15 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<td>13 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>\uc7a5\ub825 \uac15\ub3c4 (Tensile strength)<\/td>\n<td>550 MPa<\/td>\n<td>400 MPa<\/td>\n<\/tr>\n<tr>\n<td>\uc0b0\ud654 \uc800\ud56d<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<td>\ub354 \ub098\uc740<\/td>\n<\/tr>\n<tr>\n<td>\ube44\uc6a9<\/td>\n<td>\ub354 \ub0ae\uac8c<\/td>\n<td>\ub192\uc740<\/td>\n<\/tr>\n<tr>\n<td>\uc2e0\uccad<\/td>\n<td>Alloys, capacitors<\/td>\n<td>Medical, electronics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Tantalum has higher density, melting point, and better oxidation resistance but is more expensive than niobium.<\/p>\n<h2>Niobium Powder FAQs<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>Q: How is niobium powder produced?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: The main production methods for niobium powder are hydriding-dehydriding, calciothermic reduction, electrolysis, and carbon reduction of niobium oxide sources.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What is niobium powder used for?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Major applications of niobium powder include electronics, metal alloys, coatings, chemical industry, welding, pyrotechnics, and superconductors.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What is the typical niobium powder size for thermal spray coatings?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: For thermal spray processes, niobium powder is typically used in particle size ranges of 45-150 microns. Finer powder can lead to oxidation issues.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Is niobium powder flammable or explosive?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Yes, like other finely divided metals, niobium powder can potentially be flammable or explosive. Proper precautions are needed for safe handling and storage.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Where can I buy high purity niobium powder for superconducting applications?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Ultra high purity (99.99%) niobium powder suitable for superconducting applications can be purchased from major suppliers including HC Starck, CBMM, and ESPI Metals.<\/p>\n<p><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>\ub2c8\uc624\ube00 \ubd84\ub9d0 \uac1c\uc694 \ub2c8\uc624\ube00\uc740 \ub0b4\uc5f4\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \ub179\ub294\uc810\uc774 \ub9e4\uc6b0 \ub192\uc740 \ubc18\uc9dd\uc774\ub294 \ud770\uc0c9\uc758 \ub0b4\ud654\uc131 \uc804\uc774 \uae08\uc18d\uc785\ub2c8\ub2e4. \ubd84\ub9d0 \ud615\ud0dc\uc5d0\uc11c\ub294 \uc5f4\uc801, \uc804\uae30\uc801, \ud654\ud559\uc801 \uc548\uc815\uc131\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4. \ub2c8\uc624\ube00 \ubd84\ub9d0\uc758 \uc8fc\uc694 \ud2b9\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: \ub192\uc740 \ub0b4\uc5f4\uc131 \ubc0f \ub0b4\ud654\uc131 \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131 9.2K(-264\u00a1\"C) \uc774\ud558\uc758 \ucd08\uc804\ub3c4 \uc5f4\uc801 \ubc0f \uc804\uae30\uc801 \uc548\uc815\uc131...<\/p>","protected":false},"featured_media":1742,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product-category":[119,125],"class_list":["post-3867","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-3d-printing-metal-powder","product-category-refractory-metal-powder"],"acf":[],"taxonomy_info":{"product-category":[{"value":119,"label":"3D Printing Metal Powder"},{"value":125,"label":"Refractory Metal Powder"}]},"featured_image_src_large":["https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/02\/Niobium-Powder.jpg",600,600,false],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/product\/3867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/media\/1742"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/media?parent=3867"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/ko\/wp-json\/wp\/v2\/product-category?post=3867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}