{"id":2759,"date":"2021-11-30T13:01:44","date_gmt":"2021-11-30T04:01:44","guid":{"rendered":"https:\/\/agus.co.jp\/en\/?p=2759"},"modified":"2022-11-25T10:46:46","modified_gmt":"2022-11-25T01:46:46","slug":"features-of-sps-spark-plasma-sintering-technology-suga-co-ltd-sps-division","status":"publish","type":"post","link":"https:\/\/agus.co.jp\/en\/?p=2759","title":{"rendered":"Features of SPS (Spark Plasma Sintering) technology &#8211; SUGA Co., Ltd. \/ Sales Division"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2020\/04\/SPS2000.png\" \/><\/p>\n<p><span style=\"font-weight: 400;\">SPS has the following notable features on its structural and heating mechanism. (1) Pressure sintering that applies heat and pressure at the same time. (2) Applying a large current directly to the mold and\/or powder material, (3) ON \/ OFF pulse energization. (4) Electromagnetic field sintering using a large current. (5) Sintering with mold.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As a result, SPS is attracting attention as the one and only technology that enables:<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Short-time sintering (Grain growth and fine structure can be controlled)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Homogeneous sintering<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Localized rapid temperature rise \/ rapid cooling (A sintered compact with different characteristics from conventional sintering can be obtained.)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Full dense and high density outcomes<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Sinter resistant material can be sintered<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Low temperature sintering<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Wide range of target materials<\/span><\/li>\n<li><span style=\"font-weight: 400;\">High efficiency and energy saving<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Temperature gradient sintering (Composite materials such as ceramic and metal FGM can be obtained.)<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">In addition, since SPS can obtain sintered compact with different characteristics by changing the sintering conditions, the desired characteristics can be obtained simply by\u00a0 adjusting the sintering conditions and evaluating the outcomes (repeat it as necessary). In other words, SPS has the advantage on material development even for the people who don\u2019t have the experience and knowledge of powder metallurgy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The elucidation of actual heating mechanism of SPS ( large current pulse energization ) and the principle of these effects, real-time observation of the phenomenon, etc. have not been <\/span><span style=\"font-weight: 400;\">fully completed due to the short sintering time and where the process is taking a place (between the powders inside the mold).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, there are numerous reports to list which actually determine that SPS has improved performance on its sintered compact compared to the conventional method due to the above effects. Moreover, SPS has succeeded in sintering materials that could not be sintered by the conventional method.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In addition, it has been reported that the effects of SPS include cleaning and activation of the powder surface by plasma generation, acceleration of electrolytic diffusion, high initial velocity in the densification theory formula, etc. Researchers at universities and research institutes who have been interested in SPS process are continuing their investigations.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Currently, Tohoku University (Kinken \/ IMR: Institute of Material Research) has reported that a discharge (spark plasma) occurred under certain conditions whereas National Institute of Advanced Industrial Science and Technology (AIST) claimed that no discharge was observed under other conditions. In different subject, University of California has reported on the effects of electromagnetic fields during SPS process. and We hope that the principles and conditions for the manifestation of these effects will be elucidated through joint research with reliable SPS manufacturer like SUGA in near future.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So far, the great benefits of SPS have been introduced but there are a few aspects that can be considered as the disadvantage. At the next column, we will discuss the problems on SPS.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"width: 380px; margin: 40px auto; text-align: center;\"><a style=\"background: #004b82; color: #fff; line-height: 60px; border-radius: 30px; display: block;\" href=\"https:\/\/agus.co.jp\/en\/?p=2556\">Spark Plasma Sintering System ( SPS )<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPS has the following notable features on its structural and heating mechan[\u3082\u3063\u3068\u8aad\u307e\u305b\u3066\u301c]<\/p>\n","protected":false},"author":1,"featured_media":2719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-2759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sps"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Features of SPS (Spark Plasma Sintering) technology - SUGA Co., Ltd. \/ Sales Division | SUGA Co., Ltd.<\/title>\n<meta name=\"description\" content=\"SPS has the following notable features on its structural and heating\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/agus.co.jp\/en\/?p=2759\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Features of SPS (Spark Plasma Sintering) technology - SUGA Co., Ltd. \/ Sales Division | SUGA Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"SPS has the following notable features on its structural and heating\" \/>\n<meta property=\"og:url\" content=\"https:\/\/agus.co.jp\/en\/?p=2759\" \/>\n<meta property=\"og:site_name\" content=\"SUGA Co., Ltd.\" \/>\n<meta property=\"article:published_time\" content=\"2021-11-30T04:01:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-25T01:46:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2021\/07\/SPS2000.png\" \/>\n\t<meta property=\"og:image:width\" content=\"320\" \/>\n\t<meta property=\"og:image:height\" content=\"370\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Element inc.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Element inc.\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/agus.co.jp\/en\/?p=2759#article\",\"isPartOf\":{\"@id\":\"https:\/\/agus.co.jp\/en\/?p=2759\"},\"author\":{\"name\":\"Element inc.\",\"@id\":\"https:\/\/agus.co.jp\/en\/#\/schema\/person\/b9cc35eaceb8c21ecf2cf155179866ea\"},\"headline\":\"Features of SPS (Spark Plasma Sintering) technology &#8211; 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