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Elastic-plastic Thermal Stress Analysis of Metal Substrates for Catalytic Converters 催化转化器金属基板的弹塑性热应力分析
Nippon steel technical report. Overseas Pub Date : 2003-07-30 DOI: 10.1002/3527600531.CH13
Shogo Konya
{"title":"Elastic-plastic Thermal Stress Analysis of Metal Substrates for Catalytic Converters","authors":"Shogo Konya","doi":"10.1002/3527600531.CH13","DOIUrl":"https://doi.org/10.1002/3527600531.CH13","url":null,"abstract":"In order to quantitatively evaluate mechanical durability of metal substrates for catalytic converters under heat cycles, thermal stresses and strains were simulated by FEM elastic-plastic analysis. Flat and corrugated sheets constituting honey- comb structures were directly modeled by thick-shell elements. It was reported that the asymmetric joint structure with the \"Strengthened Outer Layer\" could provide metal substrates with high mechanical durability. From the results of analysis in this study, it was shown that metal substrates with the above-mentioned joint struc- ture had high durability because the location of cracks generated in the sheets and direction of their propagation were controlled.","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128536936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diagnostic analysis for corrosion deterioration of steel structures 钢结构腐蚀劣化诊断分析
Nippon steel technical report. Overseas Pub Date : 1992-10-15 DOI: 10.3323/JCORR1991.41.698
S. Itô, H. Kihiro, T. Oka, K. Matsuoka, T. Murata, T. Kuga, M. Hasegawa, Y. Kuwabe
{"title":"Diagnostic analysis for corrosion deterioration of steel structures","authors":"S. Itô, H. Kihiro, T. Oka, K. Matsuoka, T. Murata, T. Kuga, M. Hasegawa, Y. Kuwabe","doi":"10.3323/JCORR1991.41.698","DOIUrl":"https://doi.org/10.3323/JCORR1991.41.698","url":null,"abstract":"Exemples de techniques d'analyse des dommages causes par la corrosion aux structures metalliques et qui sont des outils essentiels dans le domaine de la maintenance de ces structures au cours de leur service","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115195004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CONCRETE FILLED TUBE COLUMNS 钢管混凝土柱
Nippon steel technical report. Overseas Pub Date : 1900-01-01 DOI: 10.1201/9781420060249-6
Y. Shimura, T. Okada, T. Yamaguchi
{"title":"CONCRETE FILLED TUBE COLUMNS","authors":"Y. Shimura, T. Okada, T. Yamaguchi","doi":"10.1201/9781420060249-6","DOIUrl":"https://doi.org/10.1201/9781420060249-6","url":null,"abstract":"","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134254542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Nitriding behavior and strengthening mechanism of Ti-added steels in rapid nitriding process 快速渗氮过程中添加ti钢的渗氮行为及强化机理
Nippon steel technical report. Overseas Pub Date : 1900-01-01 DOI: 10.2355/TETSUTOHAGANE1955.86.10_682
K. Kusumi, T. Senuma, M. Sugiyama, M. Suehiro, M. Nozaki
{"title":"Nitriding behavior and strengthening mechanism of Ti-added steels in rapid nitriding process","authors":"K. Kusumi, T. Senuma, M. Sugiyama, M. Suehiro, M. Nozaki","doi":"10.2355/TETSUTOHAGANE1955.86.10_682","DOIUrl":"https://doi.org/10.2355/TETSUTOHAGANE1955.86.10_682","url":null,"abstract":"The nitriding process is one of the common methods for surface hardening, and consists of heat treatment in a furnace for many hours. The nitriding behavior and strengthening mechanism of Ti added steels in the nitriding process, which is applicable to a high temperature and rapid process such as the continuous annealing of steel strip, were investigated. Cold rolled Ti added steel sheets were annealed for recrystallization and nitrided in electric furnaces. Then the hardness distribution was measured in cross sections, and the sheets were found to strengthen only near the surfaces. The maximum hardness depended on the Ti content, and the thickness of hardened layer depended on the nitriding time and the flow rate of NH 3 . Observation by means of electron microscopy showed contrasts due to fine disc particles with a size of 10nm in diameter and several atomic layers in thickness, which were considered to be Ti nitrides or Ti-N clusters. These contrasts were observed only near the surfaces. This suggests that the hardening is caused by the small particles. A diffusion model of N that considered the precipitation of TiN was used for simulating of the nitriding behavior. The result showed that N introduced into steel immediately precipitated as TiN, then supersaturated N diffused to the inside. The simulation result agrees with the experiment. The amount of strengthening was estimated. It indicated that the strengthening mechanism was mainly the precipitation hardening of Ti nitride or Ti-N clusters.","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121214199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Development of high-efficiency electrolytic process 高效电解工艺的发展
Nippon steel technical report. Overseas Pub Date : 1900-01-01 DOI: 10.2355/ISIJINTERNATIONAL1966.26.198
Kango Sakai, R. Yoshihara, M. Kitayama
{"title":"Development of high-efficiency electrolytic process","authors":"Kango Sakai, R. Yoshihara, M. Kitayama","doi":"10.2355/ISIJINTERNATIONAL1966.26.198","DOIUrl":"https://doi.org/10.2355/ISIJINTERNATIONAL1966.26.198","url":null,"abstract":"Developpement d'un nouveau procede electrolytique utilisant une cellule electrochimique contenant un support liquide. Description du fonctionnement de cette cellule qui a l'avantage d'economiser de l'energie par reduction de la tension d'electrolyse et d'obtenir des revetements de bonne qualite. Essais de ce procede avec une cellule horizontale et verticale dans une chaine de production","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"2 24","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131639468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Plastics recycling by a coke-oven from waste plastics to chemical raw materials 用焦炉将废塑料回收为化学原料
Nippon steel technical report. Overseas Pub Date : 1900-01-01 DOI: 10.1016/s0140-6701(03)90941-6
Hiroki Goto, T. Ibaraki, H. Kondoh, Tsuneo Koseki, Hideharu Matsuguma
{"title":"Plastics recycling by a coke-oven from waste plastics to chemical raw materials","authors":"Hiroki Goto, T. Ibaraki, H. Kondoh, Tsuneo Koseki, Hideharu Matsuguma","doi":"10.1016/s0140-6701(03)90941-6","DOIUrl":"https://doi.org/10.1016/s0140-6701(03)90941-6","url":null,"abstract":"","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123929438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Development of a High-Strength High-Manganese Stainless Steel for Cryogenic Use 低温用高强度高锰不锈钢的研制
Nippon steel technical report. Overseas Pub Date : 1900-01-01 DOI: 10.1007/978-1-4613-9868-4_21
H. Masumoto, K. Suemune, H. Nakajima, S. Shimamoto
{"title":"Development of a High-Strength High-Manganese Stainless Steel for Cryogenic Use","authors":"H. Masumoto, K. Suemune, H. Nakajima, S. Shimamoto","doi":"10.1007/978-1-4613-9868-4_21","DOIUrl":"https://doi.org/10.1007/978-1-4613-9868-4_21","url":null,"abstract":"","PeriodicalId":360657,"journal":{"name":"Nippon steel technical report. Overseas","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129403193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
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