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Effect of variations in pouring temperature on tensile strength of CuZn cast alloys 浇注温度变化对CuZn铸造合金抗拉强度的影响
IF 1.7
Materials Letters: X Pub Date : 2023-03-01 DOI: 10.1016/j.mlblux.2023.100182
Akhyar , Iqbal , Nurdin Ali , Husni Husin
{"title":"Effect of variations in pouring temperature on tensile strength of CuZn cast alloys","authors":"Akhyar ,&nbsp;Iqbal ,&nbsp;Nurdin Ali ,&nbsp;Husni Husin","doi":"10.1016/j.mlblux.2023.100182","DOIUrl":"10.1016/j.mlblux.2023.100182","url":null,"abstract":"<div><p>The solidification rate of materials affects the properties of the cast product and the pouring temperature also influences the freezing conditions of cast-metal alloys. The propose of this study is to evaluate the tensile strength of cast samples by using five variations of pouring temperatures through permanent molds by a gravity casting process. The results showed that the tensile strength maximum was 443 MPa at 1210 °C, the freezing range affected the tensile properties of cast samples.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"17 ","pages":"Article 100182"},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44149243","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
Solubility enhancement study of lumefantrine by formulation of liquisolid compact using mesoporous silica as a novel adsorbent 以介孔二氧化硅为新型吸附剂制备液固致密剂增强甲苯胺溶解度的研究
IF 1.7
Materials Letters: X Pub Date : 2022-12-01 DOI: 10.1016/j.mlblux.2022.100171
Sayani Bhattacharyya, Daivanai Ramachandran
{"title":"Solubility enhancement study of lumefantrine by formulation of liquisolid compact using mesoporous silica as a novel adsorbent","authors":"Sayani Bhattacharyya,&nbsp;Daivanai Ramachandran","doi":"10.1016/j.mlblux.2022.100171","DOIUrl":"10.1016/j.mlblux.2022.100171","url":null,"abstract":"<div><p>Lumefantrine, exhibits poor bioavailability due to its very low solubility. A liquisolid compact of lumefantrine was prepared with mesoporous silica as a novel coating material. Lactose anhydrous and syloid 244FP were selected as carrier and coating materials respectively. Varying the carrier to coating ratio from 10 to 35, six formulations were prepared and evaluated for tests for tablets. thermal, surface characteristics, surface morphology, and surface area analysis. The tabletability of the formulation lactose to syloid 244FP ratio at 20:1 was found to be the best among all in terms of compression characteristics, faster disintegration, and enhanced dissolution. Hence it can be concluded that the use of a suitable amount of mesoporous silica in the formulation of liquisolid compact could significantly enhance the dissolution of the drug.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100171"},"PeriodicalIF":1.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000515/pdfft?md5=f5428bbd3eb6e59b68d72733c275454e&pid=1-s2.0-S2590150822000515-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48969289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of signal to noise ratio on luminescence property of YPO4:Eu 信噪比对YPO4:Eu发光性能的影响
IF 1.7
Materials Letters: X Pub Date : 2022-12-01 DOI: 10.1016/j.mlblux.2022.100170
Manas Srivastava , Leishangthem Sanatombi Devi , Rashmi Joshi , Bheeshma Pratap Singh , Raghumani Singh Ningthoujam
{"title":"Effect of signal to noise ratio on luminescence property of YPO4:Eu","authors":"Manas Srivastava ,&nbsp;Leishangthem Sanatombi Devi ,&nbsp;Rashmi Joshi ,&nbsp;Bheeshma Pratap Singh ,&nbsp;Raghumani Singh Ningthoujam","doi":"10.1016/j.mlblux.2022.100170","DOIUrl":"10.1016/j.mlblux.2022.100170","url":null,"abstract":"<div><p>An effect of variation of slit widths of excitation and emission monochromators on emission intensity, peak position and asymmetric ratio of Eu<sup>3+</sup> has been observed in YPO<sub>4</sub>:Eu<sup>3+</sup>. Stark splitting is observed. Eu<sup>3+</sup> ion occupies <em>D<sub>2d</sub></em> site symmetry in crystal lattice. However, asymmetric ratio is observed to be lesser in value ∼≤1.5. The possible explanation for low value of asymmetric ratio is explained.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100170"},"PeriodicalIF":1.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000503/pdfft?md5=79948710641ec8d413393404b3f72d44&pid=1-s2.0-S2590150822000503-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42420653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Infrared thermography enabled morphology detection approach for additive manufactured flexible electrodes 红外热成像支持增材制造柔性电极的形态检测方法
IF 1.7
Materials Letters: X Pub Date : 2022-12-01 DOI: 10.1016/j.mlblux.2022.100167
Luwei Zhang, Qingrui He, Jinyou Hu
{"title":"Infrared thermography enabled morphology detection approach for additive manufactured flexible electrodes","authors":"Luwei Zhang,&nbsp;Qingrui He,&nbsp;Jinyou Hu","doi":"10.1016/j.mlblux.2022.100167","DOIUrl":"10.1016/j.mlblux.2022.100167","url":null,"abstract":"<div><p>Additive manufactured flexible electrodes show prospect applications in flexible electronics. However, morphological defects may affect a flexible electronic device's sensitivity, response value, reliability, etc. Therefore, accurate and efficient defect detection is still challenging, especially for mass-manufactured flexible electrodes. This paper proposed and tested a rapid morphological defects detection approach with infrared thermography technology. This approach shows advantages of high detect resolution (minimum test defect: 183.38um), good linearity (R<sup>2</sup> = 0.9887), efficiency, and nondestructive and large-scale applications, thereby achieving quality control and process evaluation in the mass additive manufacturing of flexible electrodes. Furthermore, resulting in improves the reliability and consistency of flexible electronic devices.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100167"},"PeriodicalIF":1.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000473/pdfft?md5=75e033764198caafbb8cf2efc26f06ae&pid=1-s2.0-S2590150822000473-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48459042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced strength-ductility synergy in Ti-4Al-5Mo-5V-5Cr-1Nb with hierarchical microstructure Ti-4Al-5Mo-5V-5Cr-1Nb中增强的强度-塑性协同作用
IF 1.7
Materials Letters: X Pub Date : 2022-12-01 DOI: 10.1016/j.mlblux.2022.100168
T. Wang , F. Yong , X.H. Liu , K.X. Wang , Y.X. Du , F. Zhao
{"title":"Enhanced strength-ductility synergy in Ti-4Al-5Mo-5V-5Cr-1Nb with hierarchical microstructure","authors":"T. Wang ,&nbsp;F. Yong ,&nbsp;X.H. Liu ,&nbsp;K.X. Wang ,&nbsp;Y.X. Du ,&nbsp;F. Zhao","doi":"10.1016/j.mlblux.2022.100168","DOIUrl":"10.1016/j.mlblux.2022.100168","url":null,"abstract":"<div><p>In general, metastable β-Ti-alloys exhibit low ductility at room temperature, which restricts its workability and critical applications. Here, we report a hierarchical microstructure tailoring strategy to achieve an excellent strength-ductility combination in Ti-4Al-5Mo-5V-5Cr-1Nb (Ti-45551) alloy. It was revealed that high density deformation twinning can be successfully introduced in primary α particles of Ti-45551 alloy through warm dynamic plastic deformation (DPD). After warm DPD process, the hierarchical microstructure was constructed in Ti-45551 alloy, including equiaxed primary α particles with high density deformation twins, β-phase matrix and finely dispersed nanoscale secondary α lamellas. Uniaxial tensile experiments have revealed that Ti-45551 alloy exhibited enhanced strength-ductility synergy with hierarchical microstructure at room temperature. This excellent combination of strength and ductility is derived from high twin density in in primary α particles and unique hierarchical microstructure. Also, this study demonstrates a feasible and low-cost route to design high performance Ti alloy.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100168"},"PeriodicalIF":1.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000485/pdfft?md5=46626d99f127f7b954a98ab37442a7d1&pid=1-s2.0-S2590150822000485-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42662552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A sustainable approach to replace bleed stream in electrical refining of copper 一种可持续的替代铜电精炼泄流的方法
IF 1.7
Materials Letters: X Pub Date : 2022-12-01 DOI: 10.1016/j.mlblux.2022.100169
Mohammad Reza Shojaei , Gholam Reza Khayati , Mohammad Javad Korasani
{"title":"A sustainable approach to replace bleed stream in electrical refining of copper","authors":"Mohammad Reza Shojaei ,&nbsp;Gholam Reza Khayati ,&nbsp;Mohammad Javad Korasani","doi":"10.1016/j.mlblux.2022.100169","DOIUrl":"10.1016/j.mlblux.2022.100169","url":null,"abstract":"<div><p>Despite extensive studies on electrorefining to remove impurities from copper production units, bleeding electrolytes is the most popular method for controlling impurities due to low operating costs. A controlled cooled-reheat cycle was used to remove impurities in industrial electrolytes of Khatoon Abad copper company. Phase identification and physical study were done by the XRD, SEM, TEM, and FTIR techniques. The results confirmed the possibility of the removal of 23 wt% Ni, 26 wt% Sb, 2.4 wt% As and convention of 6 wt% of As<sup>5+</sup> to As<sup>3+</sup> at cooled-reheat cycle.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100169"},"PeriodicalIF":1.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000497/pdfft?md5=930da5f7e71d935e94766795e2ec6ed8&pid=1-s2.0-S2590150822000497-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43008441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the nanoindentation behavior of a TiC layer formed through thermo-reactive diffusion during hot pressing of Ti and cast iron Ti和铸铁热压过程中热反应扩散形成的TiC层的纳米压痕行为
IF 1.7
Materials Letters: X Pub Date : 2022-09-01 DOI: 10.1016/j.mlblux.2022.100161
Marius Grad , Naresh Nadammal , Darius Tytko , Ulf Noster
{"title":"On the nanoindentation behavior of a TiC layer formed through thermo-reactive diffusion during hot pressing of Ti and cast iron","authors":"Marius Grad ,&nbsp;Naresh Nadammal ,&nbsp;Darius Tytko ,&nbsp;Ulf Noster","doi":"10.1016/j.mlblux.2022.100161","DOIUrl":"10.1016/j.mlblux.2022.100161","url":null,"abstract":"<div><p>Hot pressing of pure Ti and cast iron under vacuum formed a ∼15 µm wide TiC-layer through the thermo-reactive diffusion process. Nanoindentation testing of the TiC-layer revealed average hardness and elastic modulus values of ∼35 GPa and ∼400 GPa, respectively. High-resolution indentation mapping indicated hardness change across the boundary with peak values observed within the TiC-layer. Solid state high temperature diffusion holds significant potential for developing uniform hard coatings on pure Ti/Ti-alloys.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"15 ","pages":"Article 100161"},"PeriodicalIF":1.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000412/pdfft?md5=02c95108987e5b04bb6d90f277355a3d&pid=1-s2.0-S2590150822000412-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46379892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Alumina deposited by metal-organic chemical vapour deposition process on NiCoCrAlYTa superalloy 金属有机化学气相沉积法在NiCoCrAlYTa高温合金上沉积氧化铝
IF 1.7
Materials Letters: X Pub Date : 2022-09-01 DOI: 10.1016/j.mlblux.2022.100160
Melquisedec Vicente Mendoza , Edgar Serrano Peréz , Fernando Juárez López
{"title":"Alumina deposited by metal-organic chemical vapour deposition process on NiCoCrAlYTa superalloy","authors":"Melquisedec Vicente Mendoza ,&nbsp;Edgar Serrano Peréz ,&nbsp;Fernando Juárez López","doi":"10.1016/j.mlblux.2022.100160","DOIUrl":"10.1016/j.mlblux.2022.100160","url":null,"abstract":"<div><p>Alumina deposit was produced by metalorganic chemical vapour deposition process on a NiCoCrAlY superalloy substrate. Low frequency injection in the range 5–10 Hz was used to feed the Aluminium Tri-isopropoxide precursor into a deposit chamber holding at 400 °C of temperature. Both scanning electron microscopy and X-ray diffraction analysis were accomplished to characterize the deposited alumina. Topographic images show an alumina deposit roughness of Ra 35 nm measured by atomic force microscopy. An X-photon spectroscopy analysis of the alumina deposit was performed to identify both Al species and chemical analysis. Thermo-gravimetric analysis was conducted to assess the effect of deposited alumina on the superalloy.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"15 ","pages":"Article 100160"},"PeriodicalIF":1.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000400/pdfft?md5=c398d038917eeadf39dea9ed4ab350c7&pid=1-s2.0-S2590150822000400-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49588475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A model to predict the recovery of cobalt and copper from liquid magnesium distillation 液态镁蒸馏中钴和铜回收的预测模型
IF 1.7
Materials Letters: X Pub Date : 2022-09-01 DOI: 10.1016/j.mlblux.2022.100155
Gabriel Plascencia
{"title":"A model to predict the recovery of cobalt and copper from liquid magnesium distillation","authors":"Gabriel Plascencia","doi":"10.1016/j.mlblux.2022.100155","DOIUrl":"10.1016/j.mlblux.2022.100155","url":null,"abstract":"<div><p>A model to depict that it is possible to separate solid cobalt and copper from liquid Mg-Co-Cu mixtures is presented. The model aims to demonstrate how the application of solution thermodynamics concepts can help in depicting real processes.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"15 ","pages":"Article 100155"},"PeriodicalIF":1.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000357/pdfft?md5=32a803f0644fded1d33465368cb963a2&pid=1-s2.0-S2590150822000357-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47450738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enriched fluoridation of octacalcium phosphate by ionic liquid treatment 离子液体处理磷酸八钙的富集氟化
IF 1.7
Materials Letters: X Pub Date : 2022-09-01 DOI: 10.1016/j.mlblux.2022.100151
Toshiki Miyazaki, Youta Higa
{"title":"Enriched fluoridation of octacalcium phosphate by ionic liquid treatment","authors":"Toshiki Miyazaki,&nbsp;Youta Higa","doi":"10.1016/j.mlblux.2022.100151","DOIUrl":"https://doi.org/10.1016/j.mlblux.2022.100151","url":null,"abstract":"<div><p>Octacalcium phosphate (OCP) has attracted attention as a bone-repairing material with excellent bone regeneration ability, and F<sup>−</sup> incorporation is expected to further promote bone formation. However, because OCP is easily converted to fluorapatite in an aqueous fluoride solution, it is difficult to incorporate a large amount of F<sup>−</sup> while maintaining the crystalline structure of OCP. Therefore, in this study, we attempted to introduce F<sup>−</sup> into OCP using an ionic liquid with high F<sup>−</sup> concentration in a non-aqueous environment. OCP was incorporated with F<sup>−</sup> in the form of ion pairs after treatment with an acetone solution of 1-ethyl-3-methylimidazolium tetrafluoroborate. The F<sup>−</sup> content was approximately 9%, which was approximately 28 times greater than achieved in previous studies. The amount of OCP with F<sup>−</sup> dissolved in acetate buffer was less than that of untreated OCP.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"15 ","pages":"Article 100151"},"PeriodicalIF":1.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S259015082200031X/pdfft?md5=bb6e392091854b0642e98c4d8d8f895b&pid=1-s2.0-S259015082200031X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72085447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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