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关于钽的事实:应用 & Uses<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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钽(Ta)是现代冶金中的无名英雄. 1802年由瑞典化学家安德斯·埃克伯格首次发现, this versatile metal has become essential to numerous industries over the years.<\/p>
生钽在自然界中很少出现. Instead, it is typically found in the ore columbite-tantalite (usually referred to as coltan). 纯钽一旦被提取出来，是一种坚硬的蓝灰色有光泽的金属.<\/p>
Since its discovery, tantalum has been used in a number of applications. 在21世纪, 它已成为电子工业的关键元素, 超过75%的电子产品都含有某种形式的钽. 特别是, engineers have been able to take advantage of some of tantalum\u2019s properties to make 电容器 and other components smaller and more efficient.<\/p><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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Properties of Tantalum<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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Tantalum has several unique characteristics that have led to its increased use in the 21st century. It is a highly stable metal that is almost immune to chemical degradation at temperatures lower than 302 \u00b0F (159 \u00b0C). 除了, it exhibits high levels of 腐蚀 resistance when it comes into contact with air and moisture.<\/p>
像大多数金属一样, tantalum forms a thin but dense protective oxide layer (Ta2O5) when exposed to the atmosphere. 这个氧化层牢固地附着在金属表面, acting as a barrier which protects the underlying metal from further 腐蚀.<\/p>
钽属于一类称为难熔金属的金属, 哪些是由它们的耐热性和耐磨性来定义的. It has a melting point of 5,463 \u00b0F (2,996 \u00b0C), the fourth highest of all metals.<\/p>
在机械性能方面, 钽具有很高的延展性, 使其适用于弯曲等工艺, 冲压, 和紧迫. 当与其他金属结合时, it can produce alloys with enhanced strength and higher melting points.<\/p><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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Common Uses of Tantalum<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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Tantalum is generally used in applications that require increased heat, 腐蚀, 耐化学性. Below is a list of the commonly available forms of tantalum and their most common uses.<\/p>
Sheet Plate<\/span><\/strong> \u2013 Tantalum\u2019s high melting point makes it ideal for high-temperature applications. 以表格形式, 它通常用于列衬, 船只, 坦克, 热交换器, 真空炉部件. 薄板也可用于防腐包层, 维修, and reinforcement of existing<\/li>
Rod \/ Wire<\/span><\/strong> \u2013 Tantalum is also known for its biocompatibility. In other words, it is a nonirritating element that is not affected by bodily fluids. This property makes tantalum wires a popular material for prosthetic implants and other medical devices. 除了, 钽丝是真空炉中常用的加热元件, 氯化器弹簧, 灯泡元件, 化工加工设备.<\/li>
Powder<\/span><\/strong> \u2013 In its powder form, 钽被用来制造电路, 电容器, 和电阻, primarily because its superior capacitance allows it to hold more charge per gram than other materials. 这使得开发更小的电气部件成为可能, 通过扩展, 更小的电气设备.<\/span><\/li>
Tube<\/span><\/strong> \u2013 Because of their heightened resistance to 腐蚀, 钽管常用于化工, 石化, and pharmaceutical industries for the processing of compounds that may weaken or destroy other metals. 列, 栈, and piping are just some of the products constructed from tantalum tubing in these industries.<\/span><\/li>
Strips and Foils<\/span><\/strong> \u2013 Similar to sheets, tantalum strips and foils can be used as liners in vacuum furnaces and heat insulation applications. Thin-gauge tantalum strips can also be deep drawn to manufacture crucibles, 杯, 以及其他惰性实验室设备.<\/span><\/li><\/ol><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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钽物理 & General Properties<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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Element Category<\/strong> \u2013 Transition Metals<\/li>
Phase<\/strong> \u2013 Solid<\/li>
Symbol<\/strong> \u2013 Ta<\/li>
Number<\/strong> \u2013 73<\/li>
STD Atomic Weight<\/strong> \u2013 180.94788<\/li>
Crystal Structure<\/strong> \u2013 Body Centered Cubic<\/li>
Melting Temperature<\/strong> \u2013 5463\u00b0 F, 3017\u00b0 C, 3290 K<\/li>
Boiling Temperature<\/strong> \u2013 9856\u00b0 F, 5458\u00b0 C, 5731 K<\/li>
Electrical Resistivity<\/strong> \u2013 20\u00b0 C, 131 n\u03a9\u2022m<\/li>
Thermal Conductivity<\/strong> \u2013 300 K, 57.5 W\u2022m\u22121\u2022K\u22121<\/li>
Thermal Expansion<\/strong> \u2013 25\u00b0C, 6.3 \u00b5m\u2022m\u22121\u2022K\u22121<\/li><\/ol><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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Standard Specifications<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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Tantalum Ingot<\/strong> \u2013 ASTM B364<\/li>
Tantalum Rod and Wire<\/strong> \u2013 ASTM B365<\/li>
Tantalum Tubing<\/strong> \u2013 ASTM B521<\/li>
Tantalum Sheet, Plate, Strip and Foil<\/strong> \u2013 ASTM B708<\/li>
Medical Grade Tantalum<\/strong> \u2013 ASTM F560<\/li><\/ol><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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Common Tantalum Alloys (UNS Codes)<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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Unalloyed Tantalum (EB Melted)<\/strong> \u2013 R005200<\/li>
Unalloyed Tantalum (Powder Metallurgy Grade)<\/strong> \u2013 R05400<\/li>
钽2.5% Tungsten<\/strong> \u2013 R05252<\/li>
Tantalum 10% Tungsten<\/strong> \u2013 R05255<\/li>
钽7.5% Tungsten<\/strong> \u2013 Spring Grade<\/li>
Grain Stabilized<\/strong> \u2013 Furnace Grain<\/li><\/ol><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ t \ \ t
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Commercial Grade ASTM Tantalum Purities<\/h2>\t\t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t
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99.5% Pure 3N5<\/li>
99.9% Pure 4N<\/li>
99.995% Pure 4N5<\/li>
99.999% Pure 5N<\/li><\/ol>
If you\u2019re interested in discussing how tantalum can be used for your application, 请随意 contact<\/a><\/span><\/strong> our technical team directly.<\/p><\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/div>\ n \ t \ t \ \ \ t \ \ t\t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t<\/section>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ \ t \ t \ \ t<\/div>\ n \ t \ t \ \ \ t<\/div>\n\t\t",“受保护的”:假},“摘要”:{“呈现”:“
关于钽的事实:应用 & 钽(Ta)是现代冶金中的无名英雄. 1802年由瑞典化学家安德斯·埃克伯格首次发现, this versatile metal has become essential to numerous industries over the years. 生钽在自然界中很少出现. Instead, it is typically found in the ore columbite-tantalite (usually referred to …<\/p>\n
Tantalum<\/span> Read More »<\/a><\/p>\n",“受保护的”:假},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/pages\/270"}],"collection":[{"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/comments?post=270"}],"version-history":[{"count":29,"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/pages\/270\/revisions"}],"predecessor-version":[{"id":750,"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/pages\/270\/revisions\/750"}],"wp:attachment":[{"href":"http:\/\/ussupply2020.com \ /wp-json\/wp\/v2\/media?parent=270"}],"curies":[{"name":"wp","href":"http:\/\/api.w.org\/{rel}","templated":true}]}}