{"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\/ja\/product\/niobium-powder\/","title":{"rendered":"\u30cb\u30aa\u30d6\u7c89"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"><\/p>\n<h2>Overview of Niobium Powder<\/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\">\u8010\u8150\u98df\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059<\/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>\u30a8\u30ec\u30e1\u30f3\u30c8<\/th>\n<th>\u7d14\u7c8b\u3055<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30cb\u30aa\u30d6\uff08Nb\uff09<\/td>\n<td>99% \u6700\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u30bf\u30f3\u30bf\u30eb\uff08Ta\uff09<\/td>\n<td>\u6700\u5927 0.5%<\/td>\n<\/tr>\n<tr>\n<td>\u30cf\u30d5\u30cb\u30a6\u30e0\uff08Hf)<\/td>\n<td>\u6700\u5927 0.01%<\/td>\n<\/tr>\n<tr>\n<td>\u7a92\u7d20\uff08N\uff09<\/td>\n<td>\u6700\u59270.03%<\/td>\n<\/tr>\n<tr>\n<td>\u70ad\u7d20\uff08C\uff09<\/td>\n<td>\u6700\u9ad80.05%<\/td>\n<\/tr>\n<tr>\n<td>\u9178\u7d20 (O)<\/td>\n<td>0.1-0.2%<\/td>\n<\/tr>\n<tr>\n<td>\u6c34\u7d20 (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>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th>\n<th>\u4fa1\u5024<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5bc6\u5ea6<\/td>\n<td>8.57 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>\u878d\u70b9 (Y\u016bten)<\/td>\n<td>2477\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>\u71b1\u4f1d\u5c0e\u7387<\/td>\n<td>53 W\/m?K<\/td>\n<\/tr>\n<tr>\n<td>\u96fb\u6c17\u62b5\u6297\u7387<\/td>\n<td>15 \u00c3\u00d7\u00b4\u00ce?cm<\/td>\n<\/tr>\n<tr>\n<td>\u30e4\u30f3\u30b0\u4fc2\u6570<\/td>\n<td>105 GPa<\/td>\n<\/tr>\n<tr>\n<td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td>\n<td>0.40<\/td>\n<\/tr>\n<tr>\n<td>\u5f15\u5f35\u5f37\u5ea6<\/td>\n<td>550 MPa<\/td>\n<\/tr>\n<tr>\n<td>\u5727\u7e2e\u5f37\u3055<\/td>\n<td>200 MPa<\/td>\n<\/tr>\n<tr>\n<td>Vickers Hardness<\/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=\"\u30cb\u30aa\u30d6\u7c89\" 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>Calciothermic Reduction<\/strong>?- Reduction of niobium oxide with calcium followed by consolidation and crushing to powder.<\/li>\n<li class=\"whitespace-normal\"><strong>\u96fb\u6c17\u5206\u89e3<\/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>Applications of Niobium Powder<\/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>\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9<\/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>\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u5857\u6599<\/strong>?- Used in conductive coatings, spark-resistant paints, optical coatings.<\/li>\n<li class=\"whitespace-normal\"><strong>\u6eb6\u63a5<\/strong>?- As filler material for stainless steel, nickel alloys, and refractory metals.<\/li>\n<li class=\"whitespace-normal\"><strong>\u5316\u5b66\u5de5\u696d<\/strong>?- Components like heat exchangers, reactors vessels utilizing niobium&#8217;s stability.<\/li>\n<li class=\"whitespace-normal\"><strong>\u82b1\u706b<\/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>Purity Grades<\/strong>?- From commercial purity to ultra high purity (99.99%) based on impurities.<\/li>\n<li class=\"whitespace-normal\"><strong>\u7c92\u5b50\u5f84<\/strong>?- Ranging from 1 micron to 150 microns for various applications.<\/li>\n<li class=\"whitespace-normal\"><strong>\u5f62\u614b<\/strong>?- Irregular, spherical, nodular and flaked powder shapes.<\/li>\n<li class=\"whitespace-normal\"><strong>\u8868\u9762\u7a4d<\/strong>?- From low surface area up to high surface area powder grades.<\/li>\n<li class=\"whitespace-normal\"><strong>\u9178\u7d20\u542b\u91cf<\/strong>?- Low oxygen fine powder grades also available.<\/li>\n<li class=\"whitespace-normal\"><strong>Custom Grades<\/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. Starck (Germany)<\/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>Purity Grade<\/strong>?- From $50\/kg for commercial purity to over $500\/kg for ultra high purity grades.<\/li>\n<li class=\"whitespace-normal\"><strong>\u7c92\u5b50\u30b5\u30a4\u30ba<\/strong>?- Nanoscale and sub-micron powders are higher priced.<\/li>\n<li class=\"whitespace-normal\"><strong>\u5f62\u614b<\/strong>?- Spherical and smooth powders command premium pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>\u6570\u91cf<\/strong>?- Prices reduce for bulk quantities due to economy of scale.<\/li>\n<li class=\"whitespace-normal\"><strong>\u30e1\u30fc\u30ab\u30fc<\/strong>?- Major global suppliers offer more competitive pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>\u5730\u7406<\/strong>?- Prices vary in different world regions.<\/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>Chemical Analysis<\/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>\u5f62\u614b<\/strong>?- Scanning electron microscopy used for determining shape and surface area.<\/li>\n<li class=\"whitespace-normal\"><strong>Specific Surface Area<\/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>Powder Flow<\/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>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n<th>\u30cb\u30aa\u30d6\u7c89<\/th>\n<th>\u30bf\u30f3\u30bf\u30eb\u7c89\u672b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5bc6\u5ea6<\/td>\n<td>8.57 g\/cm3<\/td>\n<td>16.6 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>\u878d\u70b9 (Y\u016bten)<\/td>\n<td>2477\u00a1\u00abC<\/td>\n<td>2996\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>\u96fb\u6c17\u62b5\u6297\u7387<\/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>\u5f15\u5f35\u5f37\u5ea6<\/td>\n<td>550 MPa<\/td>\n<td>400 MPa<\/td>\n<\/tr>\n<tr>\n<td>\u6297\u9178\u5316\u6027<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<td>\u3088\u308a\u826f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u5229\u7528\u6599<\/td>\n<td>\u4e0b\u3052\u308b<\/td>\n<td>\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/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>\u30cb\u30aa\u30d6\u7c89\u672b\u306e\u6982\u8981 \u30cb\u30aa\u30d6\u306f\u5149\u6ca2\u306e\u3042\u308b\u767d\u8272\u306e\u8010\u706b\u6027\u9077\u79fb\u91d1\u5c5e\u3067\u3001\u5353\u8d8a\u3057\u305f\u8010\u71b1\u6027\u3068\u975e\u5e38\u306b\u9ad8\u3044\u878d\u70b9\u3092\u6301\u3064\u3002\u7c89\u672b\u306e\u72b6\u614b\u3067\u306f\u3001\u512a\u308c\u305f\u71b1\u7684\u3001\u96fb\u6c17\u7684\u3001\u5316\u5b66\u7684\u5b89\u5b9a\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u30cb\u30aa\u30d6\u7c89\u672b\u306e\u4e3b\u306a\u7279\u6027\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a\u9ad8\u3044\u8010\u71b1\u6027\u3068\u8010\u706b\u6027 \u512a\u308c\u305f\u8010\u98df\u6027 9.2K\uff08-264\u2103\uff09\u4ee5\u4e0b\u3067\u306e\u8d85\u4f1d\u5c0e \u71b1\u7684\u30fb\u96fb\u6c17\u7684\u5b89\u5b9a\u6027 \u4e2d\u6027\u5b50\u5438\u53ce\u304c\u5c11\u306a\u3044 \u9ad8\u5bc6\u5ea6\u7c89\u672b\u3067\u5316\u5b66\u7684\u7d14\u5ea6\u304c\u9ad8\u3044 \u69d8\u3005\u306a\u7c92\u5b50\u5f84\u306e\u3082\u306e\u304c\u5165\u624b\u53ef\u80fd \u30cb\u30aa\u30d6\u7c89\u672b\u306f\u3001\u305d\u306e\u8010\u706b\u6027\u3001\u5c0e\u96fb\u6027\u3001\u8d85\u4f1d\u5c0e\u7279\u6027\u304c\u5229\u7528\u3067\u304d\u308b\u5834\u6240\u3067\u4f7f\u7528\u3055\u308c\u308b\u3002\u4e3b\u306a\u7528\u9014\u306f\u3001\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u3001\u8d85\u4f1d\u5c0e\u4f53\u3001\u5408\u91d1\u3001\u8010\u85ac\u54c1\u6027\uff0f\u8010\u71b1\u6027\u90e8\u54c1\u3001\u5149\u5b66\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u706b\u5de5\u54c1\u7b49\u3067\u3042\u308b\u3002\u30cb\u30aa\u30d6\u7c89\u672b\u306e\u7d44\u6210 \u30cb\u30aa\u30d6\u7c89\u672b\u306e\u4ee3\u8868\u7684\u306a\u7d44\u6210\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/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\/ja\/wp-json\/wp\/v2\/product\/3867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/ja\/wp-json\/wp\/v2\/media\/1742"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/ja\/wp-json\/wp\/v2\/media?parent=3867"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/ja\/wp-json\/wp\/v2\/product-category?post=3867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}