Journal of High Temperature Society最新文献_第4页

Waste Treatment and Recycling Technologies Based on High Temperature Metallurgy 基于高温冶金的废物处理与回收技术

Journal of High Temperature Society Pub Date : 2009-01-21 DOI: 10.7791/JHTS.35.15

Takaiku Yamamoto, Hirotaka Sato, Yoshinori Matsukura, Masatsugu Nakamoto

引用次数: 0

1873、1523KにおけるFe-Cu-BおよびFe-Cu-Ag-B系の2液相分離 1873、1523k中的Fe-Cu-B和Fe-Cu-Ag-B系双液相分离

Journal of High Temperature Society Pub Date : 2009-01-21 DOI: 10.7791/JHTS.35.40

英樹中里, 勝弘山口, 真吾阿川, 謙治田口, 建夫碓井

引用次数: 1

Evaluation of Metal Sprayed Coatings by SAICAS Method : Surface and Interfacial Cutting Analysis Method 用SAICAS方法评价金属喷涂涂层:表面和界面切割分析方法

Journal of High Temperature Society Pub Date : 2008-11-21 DOI: 10.7791/JHTS.34.277

I. Nishiyama

引用次数: 0

The Thermal Diffusivity Measurement of the Two-layer Ceramics Using the Laser Flash Methodn 用激光闪光法测量两层陶瓷的热扩散系数

Journal of High Temperature Society Pub Date : 2008-09-21 DOI: 10.7791/JHTS.34.227

M. Akoshima, Mitsue Ogawa, T. Baba, M. Mizuno

{"title":"The Thermal Diffusivity Measurement of the Two-layer Ceramics Using the Laser Flash Methodn","authors":"M. Akoshima, Mitsue Ogawa, T. Baba, M. Mizuno","doi":"10.7791/JHTS.34.227","DOIUrl":"https://doi.org/10.7791/JHTS.34.227","url":null,"abstract":"Ceramics-based thermal barrier coatings are used as heat and wear shields of gas turbines. There are strong needs to evaluate thermophysical properties of coating, such as thermal conductivity, thermal diffusivity and heat capacity of them. Since the coatings are attached on substrates, it is no easy to measure these properties separately. The laser flash method is one of the most popular thermal diffusivity measurement methods above room temperature for solid materials. The surface of the plate shape specimen is heated by the pulsed laser-beam, then the time variation of the temperature of the rear surface is observed by the infrared radiometer. The laser flash method is non-contact and short time measurement. In general, the thermal diffusivity of solids that are dense, homogeneous and stable, are measured by this method. It is easy to measure thermal diffusivity of a specimen which shows heat diffusion time about 1 ms to 1 s consistent with the specimen thickness of about 1 mm to 5 mm. On the other hand, this method can be applied to measure the specific heat capacity of the solids. And it is also used to estimate the thermal diffusivity of an unknown layer in the layered materials. In order to evaluate the thermal diffusivity of the coating attached on substrate, we have developed a measurement procedure using the laser flash method. The multi-layer model based on the response function method was applied to calculate the thermal diffusivity of the coating attached on substrate from the temperature history curve observed for the two-layer sample. We have verified applicability of the laser flash measurement with the multi-layer model using the measured results and the simulation. It was found that the laser flash measurement for the layered sample using the multi-layer model was effective to estimate the thermal diffusivity of an unknown layer in the sample. We have also developed the two-layer ceramics samples as the reference materials for this procedure.","PeriodicalId":113412,"journal":{"name":"Journal of High Temperature Society","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124557799","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

A Property Extracted by Composition / Thermal Decomposition Analyses of Various Biomass Resources and Its Correlation 不同生物质资源组成/热分解分析提取的性质及其相关性

Journal of High Temperature Society Pub Date : 2008-07-21 DOI: 10.7791/JHTS.34.153

S. Mizuno, A. Morita, T. Ida, Kunihiko Namba, M. Fuchihata, T. Sawai

引用次数: 3

高温域における高純度水素分離に適したプロトン導電体SrZr1-xYxO3-αの作製适用于高热区高纯度氢分离的质子导体SrZr1-xYxO3-α的制备

Journal of High Temperature Society Pub Date : 2008-05-21 DOI: 10.7791/JHTS.34.123

宏和小西, 広行西村, 建夫碓井, 片山巖

引用次数: 0

Improvement of Gas Utilization Ratio in the Gaseous Reduction of Iron Oxide and Suppression of Dioxins Formation in Combustion Processes by the Enhancement of Carbon Deposition 通过强化积碳提高氧化铁气体还原过程中的气体利用率和抑制燃烧过程中二恶英的生成

Journal of High Temperature Society Pub Date : 2008-01-21 DOI: 10.7791/JHTS.34.9

H. Ono-Nakazato, T. Koyama, T. Usui

引用次数: 1

The Preparation and Reduction Behavior of Charcoal Composite Iron Oxide Pellets 炭复合氧化铁球团的制备及其还原性能

Journal of High Temperature Society Pub Date : 2008-01-21 DOI: 10.7791/JHTS.34.14

H. Konishi, T. Usui, T. Harada

{"title":"The Preparation and Reduction Behavior of Charcoal Composite Iron Oxide Pellets","authors":"H. Konishi, T. Usui, T. Harada","doi":"10.7791/JHTS.34.14","DOIUrl":"https://doi.org/10.7791/JHTS.34.14","url":null,"abstract":"In the energy conversion, biomass has novel advantage, i.e., no CO2 emission, because of carbon neutral. Charcoal composite iron oxide pellets were proposed to decrease CO2 emission for the ironmaking. These pellets were promising to decrease the initial temperature for reduction reaction of carbon composite iron ore agglomerate under a rising temperature condition, such as in a blast furnace shaft. In order to obtain charcoal, Japanese cedar and cypress were carbonized from room temperature to maximum carbonization temperature (TC, max = 1273 K) at a heating rate of 200 K/h, and kept at TC, max until arrival time of 6 h. Reducing gases of CO and CH4 started releasing from relatively low temperature (500 K). In the total gas volume of carbonization, H2 gas of Japanese cedar was more than that of Japanese cypress. These woods have more CO gas volume than Newcastle blend coal has. The obtained charcoal was mixed with reagent grade hematite in the mass ratio of one to four. Then, a small amount of Bentonite was added to the mixture as a binder, and the charcoal composite iron oxide pellets were prepared and reduced at 1273, 1373 and 1473 K in nitrogen gas atmosphere. It was confirmed by the generated gas analysis during reduction reaction that charcoal composite iron oxide pellets had higher reducibility than char composite pellets using Newcastle blend coal. From the XRD analysis of the reduced pellets, it was found that the original Fe2O3 was almost reduced to Fe for 60 min at 1273 K, 20 min at 1373 K and 5~ 15 min at 1473 K.","PeriodicalId":113412,"journal":{"name":"Journal of High Temperature Society","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132517302","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: 4

Technologies on Suppression of Dioxins Formation 抑制二恶英形成的技术

Journal of High Temperature Society Pub Date : 2008-01-21 DOI: 10.7791/JHTS.34.3

H. Kawabata, T. Usui

引用次数: 0

Structures and Photocatalytic Performance of TiO2-FeTiO3 Coatings Prepared by Plasma Spraying Technique 等离子喷涂技术制备TiO2-FeTiO3涂层的结构及光催化性能

Journal of High Temperature Society Pub Date : 2007-11-21 DOI: 10.7791/JHTS.33.300

F. Ye, A. Ohmori, K. Nakata, T. Tsumura

引用次数: 1