{"id":28698,“日期”:“2020 - 09 - 14 - t20:53:32”,“date_gmt”:“2020 - 09 - 14 - t20:53:32”,“guid”:{“呈现”:“http: \ / \ / l6rsfl.bobbyingano.com \ /?post_type = white_papers&p=28698"},“修改”:“2020 - 09 - 15 - t15:17:30”,“modified_gmt”:“2020 - 09 - 15 - t15:17:30”,“鼻涕虫”:“heat-treating-with-salts”,“状态”:“发布”,“类型”:“white_papers”,“链接”:“http: \ / \ / l6rsfl.bobbyingano.com \ \ /证明/白皮书\ / heat-treating-with-salts”,“标题”:{“渲染”:“盐热处理”},“内容”:{“呈现”:“

热处理是将金属加热到一定温度，然后以特定的方式冷却，以改变其内部结构，以获得所需程度的物理和机械性能的过程. 目的是提高金属的硬度, 以及在材料中获得最大的强度和耐久性.<\/p>\n

许多工业使用热处理零件, 包括汽车行业, 航空航天, 信息技术和重型装备行业. 具体地说, 锯等产品的制造商, 轴, 切割工具, 轴承, 齿轮, 轴, 紧固件, 凸轮轴和曲轴都依靠热处理，使他们的产品更耐用，使用寿命更长.1<\/p>\n

The heat treating processes require three basic steps:<\/strong>
\n1. 加热到指定的温度.
\n2. 在那个温度下保持适当的时间.
\n3. 按规定方法冷却.<\/p>\n

Understanding the Part Material<\/strong>
根据ASM国际热处理协会的说法, 大约80%的热处理零件是由钢制成的, 比如棒子和管子, 还有已经铸造的部分, 伪造的, 焊接, 加工, 滚, 印, 拉制或挤压.1<\/p>\n

成功的热处理首先要了解待热处理钢的组成. 美国钢铁协会(A.I.S.I.)和美国汽车工程师学会(S.A.E.)使用四位数系统对制造中使用的各种钢材进行编码. AISI规范中的合金元素由前两位数字表示, 材料中的碳含量由最后两位数字表示. 第一个数字表示钢组的一般类别, 这意味着SAE-AISI系统中的1xxx组代表碳钢. The second digit represents the presence of major elements which may affect the properties of steel; for example, 在1018钢中，10xx系列中的零表示没有主要的次要元素. 最后两位数字表示碳浓度的百分比. SAE 1018表示含0.18%的碳，而SAE 5130表示铬合金钢含有1%的铬和0.30%的二氧化碳.<\/p>\n","protected":false},"featured_media":28700,"template":"","acf":[],"yoast_head":"\nHeat Treating With Salts - Hubbard-Hall<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/l6rsfl.bobbyingano.com \ /proof\/white-papers\/heat-treating-with-salts\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heat Treating With Salts - Hubbard-Hall\" \/>\n<meta property=\"og:description\" content=\"热处理是将金属加热到一定温度，然后以特定的方式冷却，以改变其内部结构，以获得所需程度的物理和机械性能的过程. 目的是提高金属的硬度, as well as to obtain maximum strength and durability in the... 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