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Investigation of diffusion bonding mechanisms and joint properties of TZM and Zr-4 using Ti interlayer
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-11 DOI: 10.1016/j.matlet.2025.138365
Xitong Guan, Zhijie Han, Songtao Ji, Qi Wu, Junhui Diao, Yongguang Gao
{"title":"Investigation of diffusion bonding mechanisms and joint properties of TZM and Zr-4 using Ti interlayer","authors":"Xitong Guan,&nbsp;Zhijie Han,&nbsp;Songtao Ji,&nbsp;Qi Wu,&nbsp;Junhui Diao,&nbsp;Yongguang Gao","doi":"10.1016/j.matlet.2025.138365","DOIUrl":"10.1016/j.matlet.2025.138365","url":null,"abstract":"<div><div>The diffusion bonding of Titanium-Zirconium-Molybdenum Alloy (TZM) and Zirconium alloy (Zr-4) using a Ti interlayer was investigated. A solid solution transition layer (∼180 μm) formed at the Zr-4/Ti interface, with Zr diffusing into Ti in a dendritic-like pattern. In contrast, the Ti/TZM interface exhibited a thinner (∼6 μm), protrusion-like bonding layer due to Ti penetration. The joints bonded at 1020 °C exhibited the highest average tensile strength of 394.3 MPa. Fracture initiates at the Ti/TZM interface and propagates into the Ti interlayer, with ductile fracture on the Ti side and cleavage brittle fracture on the TZM side.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138365"},"PeriodicalIF":2.7,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143609540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogen-bonded organic framework nanoflowers for near-room-temperature sensing
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138372
Zihao Liu , Biao Yu , Ke Jiang , Ling Zhang
{"title":"Hydrogen-bonded organic framework nanoflowers for near-room-temperature sensing","authors":"Zihao Liu ,&nbsp;Biao Yu ,&nbsp;Ke Jiang ,&nbsp;Ling Zhang","doi":"10.1016/j.matlet.2025.138372","DOIUrl":"10.1016/j.matlet.2025.138372","url":null,"abstract":"<div><div>Developing hydrogen-bonded organic frameworks (HOFs) with unique architectures and functions is of great significance but remains major challenges. Here, we have successfully created porphyrin-based HOF nanoflowers (HOF-199-f) using a well-designed liquid-phase ultrasonic method. These nanoflowers exhibit exceptional resistance-based near-room-temperature sensing properties, with a linear response (27.0–55.0℃), high resolution (0.54 % K<sup>−1</sup>), high sensitivity (ΔR/R<sub>T</sub> = 120.0 % at 34.5℃), fast response and recovery (97 s/41 s). This greatly outperform HOF-199, highlighting the importance of the nanoflower architecture of HOF-199-f. This work provides insights for designing advanced sensors using functional HOFs.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138372"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143591566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cubic-phase WO3 nanoplates – Facile synthesis and excellent NO2 gas sensitivity 立方相 WO3 纳米板 - 易于合成且对二氧化氮气体具有卓越的敏感性
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138382
Dang Trung Do , Do Y Nhi Nguyen , Thi Thu Hang Tran , Cong Tu Nguyen , Van Hieu Nguyen
{"title":"Cubic-phase WO3 nanoplates – Facile synthesis and excellent NO2 gas sensitivity","authors":"Dang Trung Do ,&nbsp;Do Y Nhi Nguyen ,&nbsp;Thi Thu Hang Tran ,&nbsp;Cong Tu Nguyen ,&nbsp;Van Hieu Nguyen","doi":"10.1016/j.matlet.2025.138382","DOIUrl":"10.1016/j.matlet.2025.138382","url":null,"abstract":"<div><div>In this study, cubic-phase WO<sub>3</sub> nanostructures were prepared from WO<sub>3</sub>·nH2O nanoplates through a facile calcination in closed oven for NO<sub>2</sub> gas sensor applications. Where WO<sub>3</sub>·H<sub>2</sub>O nanoplates were synthesized using an energy-efficient acid precipitation method combined with a time-saving spray drying technique. The sensor based on cubic WO<sub>3</sub> nanoplates exhibited a high response of 170 toward 5 ppm NO<sub>2</sub> at 150℃, which is excellent in comparison with other phases of WO<sub>3</sub> nanomaterials. This study provides a novel method for fabricating cubic phase WO<sub>3</sub> nanostructures, demonstrating high potential for NO<sub>2</sub> gas monitoring applications.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138382"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143591568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bionic composite nanofibrous aerogel inspired by blind shrimp for broad temperature range thermal insulation and broad frequency range noise reduction 仿生复合纳米纤维气凝胶，灵感来自盲虾，用于宽温范围隔热和宽频范围降噪
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138381
Peng Zhang, Kunfeng Li, Shuang Zhao, Zhen Zhang, Yilong Song, Zhicong Gan, Zichun Yang
{"title":"Bionic composite nanofibrous aerogel inspired by blind shrimp for broad temperature range thermal insulation and broad frequency range noise reduction","authors":"Peng Zhang,&nbsp;Kunfeng Li,&nbsp;Shuang Zhao,&nbsp;Zhen Zhang,&nbsp;Yilong Song,&nbsp;Zhicong Gan,&nbsp;Zichun Yang","doi":"10.1016/j.matlet.2025.138381","DOIUrl":"10.1016/j.matlet.2025.138381","url":null,"abstract":"<div><div>There is an urgent need for integrated thermal insulation and noise reduction applications in both military and civilian fields, and nanofibrous aerogel materials with good compression and recovery properties are ideal choices to address this issue. An all-ceramic SiO<sub>2</sub> nanofibrous aerogel (AC-SNFAs) with a bionic blind bristle structure was constructed by the strategy of agarose gel-assisted directional freeze-drying. AC-SNFAs exhibit low thermal conductivity of 0.0232–0.0643 W·m<sup>−1</sup>·k<sup>−1</sup> over the temperature range of −50–800 °C and maintain good structural stability between − 196–1100 °C. The absorption coefficient of the 30 mm sample is greater than 0.8 above 1100 Hz, with an average sound transmission loss (STL) of 33.46 dB. This provides insight into the design of next generation integrated thermal and acoustic insulation materials.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138381"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and performance analysis of geopolymer mortar using Alkali-Leached Lead-Zinc slag powder
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138380
Fengling Ran , Qing Liu , Yuan Li , Yihui Shi , Yun Zhou , Guodong Zhao , Dan Jin
{"title":"Preparation and performance analysis of geopolymer mortar using Alkali-Leached Lead-Zinc slag powder","authors":"Fengling Ran ,&nbsp;Qing Liu ,&nbsp;Yuan Li ,&nbsp;Yihui Shi ,&nbsp;Yun Zhou ,&nbsp;Guodong Zhao ,&nbsp;Dan Jin","doi":"10.1016/j.matlet.2025.138380","DOIUrl":"10.1016/j.matlet.2025.138380","url":null,"abstract":"<div><div>Geopolymer Mortar was prepared using Alkali-Leached Lead-Zinc Slag Powder (ALSP) and metakaolin (MK), and its properties were verified through mechanical analysis, XRD, and SEM. Results showed that the optimal conditions—an alkali activator modulus (M) of 1.0, a liquid-to-binder ratio (R<sub>ltb</sub>) of 0.50, and an binder-to-sand ratio (R<sub>bts</sub>) of 0.30—resulted in maximum 28-day compressive and flexural strengths of 44.49 MPa and 5.54 MPa, respectively. This is due to the formation of a complex, dense silico-aluminate gel from the reactive silico-aluminates in both ALSP and MK under these conditions, which in turn led to a compact internal structure and thus increased the strength of the geopolymer mortar.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138380"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143609532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High performance triethylamine sensor based on Ru nanoparticles decorated 2D-Ti3C2Tx MXene nanosheets
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138379
Pengbo Zhu , Aoxue Zhu
{"title":"High performance triethylamine sensor based on Ru nanoparticles decorated 2D-Ti3C2Tx MXene nanosheets","authors":"Pengbo Zhu ,&nbsp;Aoxue Zhu","doi":"10.1016/j.matlet.2025.138379","DOIUrl":"10.1016/j.matlet.2025.138379","url":null,"abstract":"<div><div>Benefiting from the excellent electrical conductivity and unique chemical properties, MXene-based sensing materials have attracted wide attention in gas sensing field. Here, we have fabricated Ru nanoparticles decorated Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene (Ru@MXene) composite by an in-situ reduction method. By investigating the gas-sensitive characterizations of Ru@MXene, it can be seen that the sensor based on the Ru@MXene exhibits high response of <sub>2</sub>4 towards 50 ppm triethylamine at optimum working temperature. Moreover, the Ru@MXene sensor has outstanding repeatability and good long-term stability. These enhanced sensing properties can be ascribed to the catalytic activity and spillover effect from Ru nanoparticle, which can provide more active sites and accelerate gas sensing reactions. Therefore, this work offers a new idea for fabricating high-performance TEA sensors.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138379"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143609537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-powered photodetector based on Sb2Se3 vertical nanorod grass
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138342
Shengyang Meng, Long Li, Jinxin Bian, Lu Chen, Jiayi Shen, Weiyan Zhu, Jiaming Zhu, Fan Wu
{"title":"Self-powered photodetector based on Sb2Se3 vertical nanorod grass","authors":"Shengyang Meng,&nbsp;Long Li,&nbsp;Jinxin Bian,&nbsp;Lu Chen,&nbsp;Jiayi Shen,&nbsp;Weiyan Zhu,&nbsp;Jiaming Zhu,&nbsp;Fan Wu","doi":"10.1016/j.matlet.2025.138342","DOIUrl":"10.1016/j.matlet.2025.138342","url":null,"abstract":"<div><div>This study investigates the morphology and performance of Sb<sub>2</sub>Se<sub>3</sub> nanostructures on TiO<sub>2</sub> layers, comparing the compact TiO<sub>2</sub> (c-TiO<sub>2</sub>) and mesoporous TiO<sub>2</sub> (m-TiO<sub>2</sub>) layers. Sb<sub>2</sub>Se<sub>3</sub> nanorods on c-TiO<sub>2</sub> are horizontally oriented, whereas vertical grass-like nanostructures form on m-TiO<sub>2</sub>. The vertical alignment enhances electron transport, reducing recombination compared to the disordered nanorods. Notably, the photocurrent of Sb<sub>2</sub>Se<sub>3</sub> nanorods on m-TiO<sub>2</sub> increased by nearly one order of magnitude compared to Sb<sub>2</sub>Se<sub>3</sub> nanorods on c-TiO<sub>2</sub> layers. To further improve photocurrent, hole transport layers of P3HT and Spiro-OMeTAD were introduced. Cross-sectional SEM images show that Spiro-OMeTAD infiltrates the voids between nanorods more effectively than P3HT, leading to better hole extraction and increased photocurrent for self-powered photodetector. These findings highlight the importance of oriented growth of Sb<sub>2</sub>Se<sub>3</sub> and hole transport materials in enhancing charge collection efficiency.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138342"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143609539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing the thermal conductivity of Kovar alloys without increasing their thermal expansion coefficient through the incorporation of an Ag network
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-10 DOI: 10.1016/j.matlet.2025.138374
Ziyan Zhang , Jinxia Lu , Chaoqiang Liu, Xueping Gan
{"title":"Enhancing the thermal conductivity of Kovar alloys without increasing their thermal expansion coefficient through the incorporation of an Ag network","authors":"Ziyan Zhang ,&nbsp;Jinxia Lu ,&nbsp;Chaoqiang Liu,&nbsp;Xueping Gan","doi":"10.1016/j.matlet.2025.138374","DOIUrl":"10.1016/j.matlet.2025.138374","url":null,"abstract":"<div><div>Kovar alloys are considered ideal candidates for electronic packaging due to their low thermal expansion coefficient (TEC). However, their low thermal conductivity (TC) significantly limits their broader application. Herein, Ag networks are incorporated into one of the Kovar alloys (4J50) to produce Ag/4J50 composites by electrolessly plating Ag onto 4J50 powders, followed by hot-pressed sintering. The continuous Ag network significantly increases the TC of the alloy without compromising its TEC. The TC of the Ag/4J50 composite containing 15 wt% Ag is enhanced to 56 W/(m·K), three times higher than 16.7 W/(m·K) of the 4J50 alloy. Meanwhile, its TEC at 20–500 ℃ is 10.2 × 10<sup>−6</sup> K<sup>−1</sup>, only slightly larger than 9.5 × 10<sup>−6</sup> K<sup>−1</sup> of the alloy. Our findings provide a general method for significantly enhancing the TC of other Kovar alloys.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138374"},"PeriodicalIF":2.7,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143591564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","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 duty cycle on electrical insulation and anti-corrosion properties of micro-arc oxidation layers prepared on 20% SiC/Al composites
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-09 DOI: 10.1016/j.matlet.2025.138377
E. Xue , Jian Shang , Fuyan Liu
{"title":"Effect of duty cycle on electrical insulation and anti-corrosion properties of micro-arc oxidation layers prepared on 20% SiC/Al composites","authors":"E. Xue ,&nbsp;Jian Shang ,&nbsp;Fuyan Liu","doi":"10.1016/j.matlet.2025.138377","DOIUrl":"10.1016/j.matlet.2025.138377","url":null,"abstract":"<div><div>Micro-arc oxidation (MAO) layer was formed on 20% SiC/Al composites using aluminate as the main electrolyte under constant voltage mode. The effect of duty cycle (10%-40%) on microstructure and corrosion properties of prepared MAO layers were studied. The results show that when the duty cycle is 40%, the layer thickness (23.68 μm), hardness (573.4 HV1) are both two times and breakdown voltage (550.74 V) is 1.5 times compare with that at duty cycle is 10%. The Icorr is 1.0×10-7 A·cm2 and |Z| is 1.18×10<sup>5</sup>Ω·cm<sup>2</sup> at 20% duty cycle, the best corrosion resistance is presented.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"390 ","pages":"Article 138377"},"PeriodicalIF":2.7,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrosion properties of Graphene/ZrO2 hybrid modified AlSi10Mg composites fabricated by laser powder bed fusion
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-03-09 DOI: 10.1016/j.matlet.2025.138378
Pei Wei , Zhihui Huang , Zhi Ding , Yi Chen , Zhihao Lu , Xiaoqing Tian , Jiang Han , Lian Xia
{"title":"Corrosion properties of Graphene/ZrO2 hybrid modified AlSi10Mg composites fabricated by laser powder bed fusion","authors":"Pei Wei ,&nbsp;Zhihui Huang ,&nbsp;Zhi Ding ,&nbsp;Yi Chen ,&nbsp;Zhihao Lu ,&nbsp;Xiaoqing Tian ,&nbsp;Jiang Han ,&nbsp;Lian Xia","doi":"10.1016/j.matlet.2025.138378","DOIUrl":"10.1016/j.matlet.2025.138378","url":null,"abstract":"<div><div>A microstructural and electrochemical analysis of the corrosion properties for a graphene/ZrO2 hybrid-modified AlSi10Mg composite prepared by laser powder bed fusion was conducted in a solution containing 3.5 wt% NaCl. It has been demonstrated that the dual-modified AlSi10Mg composite exhibits superior corrosion resistance when compared to the composites modified by graphene and unmodified AlSi10Mg alloy.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138378"},"PeriodicalIF":2.7,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143591555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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