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Observations on the intersection between {1011} and {1012} twin in deformed magnesium alloy 变形镁合金中{1011}和{1012}孪晶交点的观察
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2021_4_231
G. Xi, J. Zhang, J. Wu, J. Jia, Y. Zhi
{"title":"Observations on the intersection between {1011} and {1012} twin in deformed magnesium alloy","authors":"G. Xi, J. Zhang, J. Wu, J. Jia, Y. Zhi","doi":"10.4149/km_2021_4_231","DOIUrl":"https://doi.org/10.4149/km_2021_4_231","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"103 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79174975","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: 3
Study on the mechanical properties, wear resistance and microstructure of nano-SiCp/ZA38 composite material under the synergistic effects of thermal-force-acoustic field 热-力-声场协同作用下纳米sicp /ZA38复合材料的力学性能、耐磨性和微观结构研究
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2021_5_303
S. Liu, Y. Sima, L. Zhang, J. Zhang, W. Qiao, Q. Yuan
{"title":"Study on the mechanical properties, wear resistance and microstructure of nano-SiCp/ZA38 composite material under the synergistic effects of thermal-force-acoustic field","authors":"S. Liu, Y. Sima, L. Zhang, J. Zhang, W. Qiao, Q. Yuan","doi":"10.4149/km_2021_5_303","DOIUrl":"https://doi.org/10.4149/km_2021_5_303","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"205 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77750128","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
Effect of solidification parameters on microsegregation behaviour of main alloying elements in a peritectic TiAl based alloy 凝固参数对包晶TiAl基合金中主要合金元素微偏析行为的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_2_89
A. Klimová, J. Lapin, T. Pelachová, M. Nosko
{"title":"Effect of solidification parameters on microsegregation behaviour of main alloying elements in a peritectic TiAl based alloy","authors":"A. Klimová, J. Lapin, T. Pelachová, M. Nosko","doi":"10.4149/km_2013_2_89","DOIUrl":"https://doi.org/10.4149/km_2013_2_89","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"19 3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89445854","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
Investigation of mechanical and microstructural properties of AA5754/AA6013 dissimilar aluminium alloys joined by GMAW and FSW methods GMAW和FSW法连接AA5754/AA6013异种铝合金的力学和显微组织性能研究
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2021_4_245
A. Yürük, Y. Ayan, B. Çevik, N. Kahraman
{"title":"Investigation of mechanical and microstructural properties of AA5754/AA6013 dissimilar aluminium alloys joined by GMAW and FSW methods","authors":"A. Yürük, Y. Ayan, B. Çevik, N. Kahraman","doi":"10.4149/km_2021_4_245","DOIUrl":"https://doi.org/10.4149/km_2021_4_245","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86552461","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
The effects of process parameters on the surface form of laser engraved H13 tool steel 工艺参数对激光雕刻H13工具钢表面形状的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/KM_2013_5_317
Ş. Kasman, I. Saklakoğlu
{"title":"The effects of process parameters on the surface form of laser engraved H13 tool steel","authors":"Ş. Kasman, I. Saklakoğlu","doi":"10.4149/KM_2013_5_317","DOIUrl":"https://doi.org/10.4149/KM_2013_5_317","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"126 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76716637","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
Effect of mill scale usage on thermodynamic modeling and metallothermic production of FeMn alloys 轧机规模的使用对FeMn合金热力学建模和金热生产的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2021_3_187
M. Buğdaycı
{"title":"Effect of mill scale usage on thermodynamic modeling and metallothermic production of FeMn alloys","authors":"M. Buğdaycı","doi":"10.4149/km_2021_3_187","DOIUrl":"https://doi.org/10.4149/km_2021_3_187","url":null,"abstract":"Ferromanganese (FeMn) is an alloy that is generally used to increase the wear resistance of steels and can be produced with high energy systems. In this study, the material produced by the metallothermic reduction method and a serious energy saving is achieved. In studies conducted for FeMn production, optimum recovery conditions were determined for varying aluminum stoichiometries. In addition, mill scale was used as a source to obtain the Fe structure in the alloy, and waste material was evaluated. In addition, magnetite was used as a source of iron oxide, and the recovery values of these products were compared with the mill scale. The characterization of the produced materials was determined by XRD, optical microscope and hardness methods. According to the results, the highest recovery is 110 % Al stoc. with magnetite, 98.58 % for Fe, and 85 % for Mn. The hardness value of the same sample gave the highest result with 64.65 HRC. K e y w o r d s: FeMn, mill scale, recycling, metallothermic reduction, combustion synthesis, thermodynamic modeling","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76867492","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
Inhibitory effect of new azole derivative in the corrosion of aluminum in acidic medium: common electrochemical and electrochemical noise investigation 新型唑衍生物在酸性介质中对铝腐蚀的抑制作用:常见电化学和电化学噪声研究
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/KM_2016_3_233
A. Ehsani, H. M. Shiri, M. G. Mahjani, R. Moshrefi, R. Safari
{"title":"Inhibitory effect of new azole derivative in the corrosion of aluminum in acidic medium: common electrochemical and electrochemical noise investigation","authors":"A. Ehsani, H. M. Shiri, M. G. Mahjani, R. Moshrefi, R. Safari","doi":"10.4149/KM_2016_3_233","DOIUrl":"https://doi.org/10.4149/KM_2016_3_233","url":null,"abstract":"1-(2,4-Dimethylphenyl)-5-amino-1H-tetrazole (DAT) nanoparticles were synthesized, and its inhibiting action on the corrosion of Aluminum AA1005 alloy (Al) in sulfuric acid was investigated using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). Inhibition efficiency increases as inhibitor concentration increases. A good correlation was observed between the potentiodynamic studies and electrochemical impedance spectroscopy with electrochemical noise measurements. Hence, it seems that the electrochemical noise (EN) method can be applied as a complementary quantitative technique to study the corrosion behavior of inhibitors. The effect of inhibitor concentration on the interpretation of noise resistance and spectral noise impedance was evaluated. Furthermore, quantum chemical calculations were employed to provide further insight into the mechanism of inhibition by DAT. It was shown that the adsorption of inhibitors on the AA1005 surface takes place through both physical and chemical adsorption. The best fit to the experimental data was obtained using Langmuir adsorption isotherm. K e y w o r d s: aluminum, polarization, impedance, electrochemical noise, adsorption, nanostructure","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78214501","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: 3
Investigating the effect of reinforcing particulates on the weight loss and worn surface of compocast AMCs
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_1_11
A. Mazahery, M. Shabani
{"title":"Investigating the effect of reinforcing particulates on the weight loss and worn surface of compocast AMCs","authors":"A. Mazahery, M. Shabani","doi":"10.4149/km_2013_1_11","DOIUrl":"https://doi.org/10.4149/km_2013_1_11","url":null,"abstract":"This paper aims to investigate the abrasive wear behavior of the sol-gel coated B4C particulate reinforced aluminum metal matrix composite. Sliding wear is related to asperity-to-asperity contact of two counter surfaces, which are in relative motion against each other. The effective wear from the specimen surface is due to the combined effect of a number of factors. An increase in the applied load leads to increase in penetration of hard asperities of the counter surface to the softer pin surface, increase in micro cracking tendency of the subsurface and also increase in the deformation and fracture of asperities of the softer surface. In general, composites offer superior wear resistance as compared to the alloy irrespective of applied load and B4C particles volume fraction. This is primarily due to the presence of the hard dispersoid which protects the matrix from severe contact with the counter surfaces, and thus results in less wear, lower coefficient friction and temperature rise in composite as compared to that in the alloy. The worn surfaces of all specimens were covered with grooves parallel to the sliding direction and some plastic deformations. These grooves are typical features associated with abrasive wear, in which hard asperities on the steel counter face or hard particles between the pin and disc, plough or cut into the pin cause wear by the removal of the material. Plastic deformation, material smearing, cavities and craters imply adhesive wear. K e y w o r d s: dry sliding, adhesive, mechanically mixed layer","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72977336","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: 1
Diverse cooling schedules to improved physico-mechanical properties of hot upset forged AISI 8620 PM steel bars 不同冷却方案对提高热镦锻aisi8620pm钢棒物理力学性能的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/KM_2016_3_219
Y. G. Bala, S. Sankaranarayanan, K. Pandey
{"title":"Diverse cooling schedules to improved physico-mechanical properties of hot upset forged AISI 8620 PM steel bars","authors":"Y. G. Bala, S. Sankaranarayanan, K. Pandey","doi":"10.4149/KM_2016_3_219","DOIUrl":"https://doi.org/10.4149/KM_2016_3_219","url":null,"abstract":"The permanence of powder preform forged steels on higher order applications such as automobile, aerospace, ordnance industries with elevated temperature and strength is being sustained by implementing various heat treatment progresses. Different heat treatment schedules after the forged preforms of AISI 8620 steel produced through conventional powder metallurgy route were analysed for its mechanical strength, fractography, and microstructure properties. Green compacts were prepared in the pressure range of 540± 10 MPa and sintered in the electrical muffle furnace at 1150± 10◦C for 120 min. Sintered compacts were hot upset forged into square cross section bars. Some bars were quenched in the water medium, and other sets of samples were cooled inside the furnace and in still air. Kinetics of the cooling velocities highly influences the tensile and impact properties improvement with determined microstructure and fractographic features. K e y w o r d s: perform, forged, heat treatment, property, quenching, testing","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74505429","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: 1
The effect of nozzle orifice diameter on penetration depth and mechanical properties of AISI430/AISI1040 dissimilar steel joined by keyhole PTA welding process 喷嘴孔径对AISI430/AISI1040异种钢锁孔PTA焊接熔深及力学性能的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_4_241
T. Teker, N. Özdemir
{"title":"The effect of nozzle orifice diameter on penetration depth and mechanical properties of AISI430/AISI1040 dissimilar steel joined by keyhole PTA welding process","authors":"T. Teker, N. Özdemir","doi":"10.4149/km_2013_4_241","DOIUrl":"https://doi.org/10.4149/km_2013_4_241","url":null,"abstract":"In this study, AISI 430/AISI 1040 steel couple 10 mm thick were welded in the butt position without any pre-treatment using keyhole plasma transferred arc (KPTA) process. Welded joints were manufactured selecting constant welding speed (0.01 mmin−1) and two different nozzle orifice diameters (2.4 and 3.2 mm), three different welding currents (130, 135 and 140 A), at a constant plasma gas flow (1.2 l min−1), a shielding gas flow (25 l min−1). The microstructural changes that occurred in the interface regions of the welded samples were examined by microhardness, scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy dispersive spectrometer (EDS). In order to determine mechanical properties of samples, the V-notch Charpy tests were performed. In addition, fracture types in the notch impact strength tests of samples were determined from the fractographic examinations using SEM. K e y w o r d s: plasma transferred arc welding, keyhole, AISI 430, AISI 1040, nozzle orifice diameter","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75312176","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: 1
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