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1. The effect of solution and aging treatments on the microstructure and mechanical properties of a selective laser melted CoCrMo alloy

Author:
Zhiyun Ye; Cuiqin Li; Zhenghua Huang; Hao Luo; Feng Chen; Zhiqiao Yan; Jianing Li; Chunjie Xu; Zhongming Zhang
Source:
Journal of materials science 2022 v.57 no.11 pp. 6445-6459
ISSN:
0022-2461
Subject:
tensile strength,   etc   ; alloys; microstructure;     Show all 3 Subjects
Abstract:
... Selective laser melted (SLMed) CoCrMo alloy specimens were subjected to solid solution and aging treatments, and then, their microstructure evolution and mechanical properties were systematically investigated. It is found that the SLMed CoCrMo sample mainly consists of a metastable γ phase with a parallel orientation between [011]γ and [2[Formula: see text]0]ε. Phase transformation has occurred on ...
DOI:
10.1007/s10853-022-07047-5

2. Strain-induced light emission enhancement in CsPbBr3 microwires

Author:
Poulami Ghosh; Umar Farooq; Huimin Su; Shenghai Pei; Gaomin Li; Wei He; Junfeng Dai; Li Huang; Mingyuan Huang
Source:
Journal of materials science 2022 v.57 no.8 pp. 5061-5071
ISSN:
0022-2461
Subject:
tensile strength,   etc   ; adsorption; air; oxygen;     Show all 4 Subjects
Abstract:
... Metal halide perovskites have gained huge research interest within few decades due to their optoelectronic applications. Recently, inorganic metal halide perovskites CsPbX₃ (X = Cl, Br, I) has shown the improved stability with promising optical and electrical properties. We report the enhancement of PL intensity and the extension of carrier lifetime from strained CsPbBr₃ microwires in air environm ...
DOI:
10.1007/s10853-022-06933-2

3. Novel laminated multi-layer graphene/Cu–Al–Mn composites with ultrahigh damping capacity and superior tensile mechanical properties

Author:
Zhixian Jiao; Qingzhou Wang; Fuxing Yin; Jianjun Zhang; Li Liu; Puguang Ji; Huanghai Chu; Jiaojiao Yu
Source:
Carbon 2022 v.188 pp. 45-58
ISSN:
0008-6223
Subject:
tensile strength,   etc   ; alloys; graphene; microscopy; temperature;     Show all 5 Subjects
Abstract:
... Laminated multi-layer graphene/Cu–Al–Mn composites were prepared via packaged hot roll bonding process for the first time. Microscopic observation shows that the grains in the Cu–Al–Mn layers are remarkably refined. Multi-layer graphene films intermittently disperse at the interfaces between Cu–Al–Mn layers. Some small fragments of multi-layer graphene films are squeezed into the Cu–Al–Mn layer, a ...
DOI:
10.1016/j.carbon.2021.11.055

4. Utilization of Chemically Modified Novel Urena Lobata Fibers as Reinforcement in Polymer Composites – an Experimental Study

Author:
Pradeep Kumar Jena; Jyoti Ranjan Mohanty; Subhakanta Nayak; Kirti Ranjan Panda; Rubysmita Sahu; Sujit Kumar Khuntia
Source:
Journal of natural fibers 2022 v.19 no.7 pp. 2479-2489
ISSN:
1544-046X
Subject:
tensile strength,   etc   ; Urena lobata; epoxides; polymers;     Show all 4 Subjects
Abstract:
... In the present research work, chemically modified Urena lobata (UL) fibers have been reinforced in epoxy resin matrix for fabrication of natural fiber polymer composite. The extracted fibers have been chemically modified with different concentration of NaOH (i.e. 4%, 5%, 6%, and 7%) and characterized by Scanning Electron Microscopy (SEM) and infrared spectroscopy (FTIR). From the tensile test resu ...
DOI:
10.1080/15440478.2020.1818352

5. Interface configuration effect on mechanical and tribological properties of three-dimension network architectural titanium alloy matrix nanocomposites

Author:
Caiyun Shang; Faming Zhang; Juan Wang; Feng Chen
Source:
Composites 2022 v.158 pp. 106981
ISSN:
1359-835X
Subject:
tensile strength,   etc   ; alloys; graphene; nanocomposites; synergism; titanium;     Show all 6 Subjects
Abstract:
... Strong interfacial bonding is the primarily crucial issue in titanium matrix composites (TMCs). In this study, three-dimensional (3D) network structured Ti6Al4V (TC4) matrix TMCs with 0.15 wt% few-layer graphene (FLG) were fabricated by high pressure spark plasma sintering (SPS, 200–300 MPa) at 850 ℃, 900 ℃ and 950 ℃, correspondingly producing three types of interface configuration with in-situ Ti ...
DOI:
10.1016/j.compositesa.2022.106981

6. Metal–Ligand Complexes as Dynamic Sacrificial Bonds in Elastic Polymers

Author:
Marco Mareliati; Luciano Tadiello; Silvia Guerra; Luca Giannini; Stephen Schrettl; Christoph Weder
Source:
Macromolecules 2022 v.55 no.12 pp. 5164-5175
ISSN:
1520-5835
Subject:
tensile strength,   etc   ; crosslinking; energy; ligands; rubber; zinc;     Show all 6 Subjects
Abstract:
... The chemical modification of technical rubbers to fine-tune their properties is a subject of current interest. Here, we report a facile approach for the straightforward introduction of non-covalent cross-links based on metal–ligand complexes into styrene-butadiene rubber (SBR). This was achieved by grafting the multidentate 2,6-bis(1′-methylbenzimidazolyl)-pyridine (Mebip) ligand to the polymers’ ...
DOI:
10.1021/acs.macromol.2c00752

7. Reinforcing Paper Strength with High Viscosity Aminated Cellulose Nanocrystal by Forming Nanocrystal Networks

Author:
Xiaoxin Lian; Ruonan Zhu; Jianbo Huang; Bo Wang; Yanjun Tang; Feng Xu; Xueming Zhang
Source:
Journal of polymers and the environment 2022 v.30 no.6 pp. 2474-2482
ISSN:
1566-2543
Subject:
tensile strength,   etc   ; amination; environment; methylcellulose; nanocrystals; viscosity;     Show all 6 Subjects
Abstract:
... Higher tensile and bursting strength are paramount concerns in paper-based packaging materials. Herein, the aminated cellulose nanocrystal (A-CNC) was synthesized by the amination reactions firstly, and the base paper was reinforced via coating hydroxypropyl methylcellulose (HPMC) and A-CNC. The surface morphology and tensile strength of the coated composite paper were characterized and the rheolo ...
DOI:
10.1007/s10924-022-02371-y

8. Additive binding layers to suppress free edge delamination in composite laminates under tension

Author:
Miguel Ubago Torres; Meisam Jalalvand
Source:
Composites 2022 v.156 pp. 106902
ISSN:
1359-835X
Subject:
tensile strength,   etc   ; additives; composite materials; delamination; methodology; solutions;     Show all 6 Subjects
Abstract:
... An additive laminate applied to the free-edges of composite laminates is proposed to stop the development of delamination. Numerical analyses were conducted to find the optimum additive binding layup and the experimental results proved that the free-edge delamination was successfully suppressed. When it was used to bind the edges of a [(202/-202)2]s angle-ply laminate, the tensile failure strain a ...
DOI:
10.1016/j.compositesa.2022.106902

9. Characterization of Natural Fibers Extracted from Banana Inflorescence Bracts

Author:
K. Amutha; A. Sudha; D. Saravanan
Source:
Journal of natural fibers 2022 v.19 no.3 pp. 872-881
ISSN:
1544-046X
Subject:
tensile strength,   etc   ; Musa; bananas; cellulose; fabrics; silk; thermogravimetry;     Show all 7 Subjects
Abstract:
... Banana silk, a fiber extracted from the pseudo-stem of banana plant, is used widely for various applications. Same way, the bracts of banana inflorescence contains substantial quantities of fibers, which could be used in various textile applications on account of its physical and chemical properties. The fibers are found to have high cellulose content of 56.48% and low wax content of 1.05%. The de ...
DOI:
10.1080/15440478.2020.1764437

10. Effect of Carbonized Ramosissima Nanoparticles on Mechanical Properties of Bamboo Fiber/Epoxy Composites

Author:
Shaoxiong Zhou; Jin Li; Shaofu Kang; Dianping Zhang
Source:
Journal of natural fibers 2022 v.19 no.4 pp. 1239-1248
ISSN:
1544-046X
Subject:
tensile strength,   etc   ; absorption; bamboos; energy; epoxides; furnaces; China;     Show all 7 Subjects
Abstract:
... Carbonized ramosissima nanoparticles (CRN) were prepared from ramosissima, a special plant in Ningxia, using a tube furnace and a ball mill. 0 wt%, 0.25 wt%, 0.5 wt%, 0.75 wt% and 1 wt% CRN were added to the resin. The composite was prepared by vacuum assisted resin perfusion (VARI) process. The effects of CRN content on the tensile, shear and low-speed impact properties of bamboo fiber epoxy resi ...
DOI:
10.1080/15440478.2020.1764448

11. Failure mechanism of nano-structural interfacial layer in Mg matrix composites reinforced with Cf

Author:
W.G. Wang; J.F. Zhang; Y.N. Zan; Z.Y. Liu; D. Wang; B.L. Xiao; D.R. Ni; Z.Y. Ma
Source:
Composites 2022 v.154 pp. 106780
ISSN:
1359-835X
Subject:
tensile strength,   etc   ; carbon; ceramics; energy; transmission electron microscopes;     Show all 5 Subjects
Abstract:
... The surface of continuous carbon fibers (Cf) was modified with γ-Al₂O₃, anatase-TiO₂ and yttria stabilized zirconia (YSZ) coatings in sol-gel route, and denoted by Al₂O₃@Cf, TiO₂@Cf and YSZ@Cf, respectively. Following, Cf/Mg composites were prepared using vacuum pressureless infiltration processing. Except for coatings, the others preparation process parameters were same. Independent of the volume ...
DOI:
10.1016/j.compositesa.2021.106780

12. Fully Bio-Based High-Performance Thermosets with Closed-Loop Recyclability

Author:
Kai Hong; Qingmei Sun; Xinyue Zhang; Liujie Fan; Tong Wu; Jianzhong Du; Yunqing Zhu
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.2 pp. 1036-1046
ISSN:
2168-0485
Subject:
tensile strength,   etc   ; diamines; green chemistry; schiff bases; thermoplastics;     Show all 5 Subjects
Abstract:
... Thermosets are important commodity polymeric materials, but they are rarely biorenewable and recyclable. Although some previously reported bio-based aromatic thermosets with a high aromatic content have good thermal/mechanical properties, the mechanical properties of fully bio-based vitrimers are relatively poor owing to low aromatic contents. To address this important issue, vanillin-based dialde ...
DOI:
10.1021/acssuschemeng.1c07523

13. High-Strength, Large-Deformation, Dual Cross-Linking Network Liquid Crystal Elastomers Based on Quadruple Hydrogen Bonds

Author:
Meng Li; Shengping Dai; Xu Dong; Yaoyao Jiang; Jun Ge; Yida Xu; Ningyi Yuan; Jianning Ding
Source:
Langmuir 2022 v.38 no.4 pp. 1560-1566
ISSN:
1520-5827
Subject:
tensile strength,   etc   ; crosslinking; deformation; durability; hydrogen; liquid crystals;     Show all 6 Subjects
Abstract:
... Liquid crystal elastomers (LCEs) with large deformation under external stimuli have attracted extensive attention in various applications such as soft robotics, 4D printing, and biomedical devices. However, it is still a great challenge to reduce the damage to collimation and enhance the mechanical and actuation properties of LCEs simultaneously. Here, we construct a new method of a double cross-l ...
DOI:
10.1021/acs.langmuir.1c03010

14. In-depth study of mechanical properties of poly(lactic acid)/thermoplastic polyurethane/hydroxyapatite blend nanocomposites

Author:
Bahareh Ghassemi; Sara Estaji; Seyed Rasoul Mousavi; Saba Nemati Mahand; Shahrokh Shojaei; Mehdi Mostafaiyan; Mohammad Arjmand; Hossein Ali Khonakdar
Source:
Journal of materials science 2022 v.57 no.14 pp. 7250-7264
ISSN:
0022-2461
Subject:
tensile strength,   etc   ; hydroxyapatite; nanocomposites; polyurethanes; transmission electron microscopy;     Show all 5 Subjects
Abstract:
... The present study evaluates the effect of adding different contents of hydroxyapatite (HA) nanoparticles on the mechanical properties of poly(lactic acid)/thermoplastic polyurethane (PLA/TPU) (90/10, 75/25, and 50/50 w/w) blends. Various theoretical models were utilized to describe the observed mechanical behavior of the prepared blend nanocomposites. Scanning electron microscopy revealed that 75/ ...
DOI:
10.1007/s10853-022-07129-4

15. Sintering-free fabrication of high-strength titanium matrix composites reinforced with carbon nanotubes

Author:
K.Y. Liu; J.S. Li; J. Wan; Q. Yan; K. Kondoh; J. Shen; S. Li; B. Chen
Source:
Carbon 2022 pp. -
ISSN:
0008-6223
Subject:
tensile strength,   etc   ; carbon nanotubes; cold; extrusion; graphene; titanium;     Show all 6 Subjects
Abstract:
... To keep high structural integrity of carbon nanotubes (CNTs) in titanium (Ti), sintering and sintering-based consolidation processes were widely applied to fabricate CNTs/Ti composites. However, sintering processes were faced with the dilemma between insufficient densification at low sintering temperatures and excessive CNTs-Ti reaction at high temperatures. In this study, a sintering-free process ...
DOI:
10.1016/j.carbon.2022.06.038

16. Sustainable, Malleable, and Recyclable Castor Oil-Derived Poly(urethane urea) Networks with Tunable Mechanical Properties and Shape Memory Performance Based on Dynamic Piperazine–Urea Bonds

Author:
Xiang-Zhao Wang; Dong-Mei Xie; Xiao-Li Zhao; Yi-Dong Li; Jian-Bing Zeng
Source:
Macromolecules 2022 v.55 no.6 pp. 2243-2251
ISSN:
1520-5835
Subject:
tensile strength,   etc   ; castor oil; crosslinking; piperazine; urea; urethane;     Show all 6 Subjects
Abstract:
... Castor oil (CO)-derived polyurethanes (PUs), denoted CPUs, are drastically limited because they cannot be reprocessed, reshaped, or recycled and because they show low strength, poor toughness, and insufficient functionality due to their permanently cross-linked structure with a high cross-link density and a soft backbone. Herein, we developed novel reversible piperazine–urea bonds (PaUBs) from ine ...
DOI:
10.1021/acs.macromol.2c00104

17. The impact of fibre processing on the mechanical properties of epoxy matrix composites and wood-based particleboard reinforced with hemp (Cannabis sativa L.) fibre

Author:
Albert Hernandez-Estrada; Jörg Müssig; Mark Hughes
Source:
Journal of materials science 2022 v.57 no.3 pp. 1738-1754
ISSN:
0022-2461
Subject:
tensile strength,   etc   ; Cannabis sativa; epoxides; hemp; particleboards; polymers;     Show all 6 Subjects
Abstract:
... This work investigated the impact that the processing of hemp (C. sativa L.) fibre has on the mechanical properties of unidirectional fibre-reinforced epoxy resin composites loaded in axial tension, and particleboard reinforced with aligned fibre bundles applied to one surface of the panel. For this purpose, mechanically processed (decorticated) and un-processed hemp fibre bundles, obtained from r ...
DOI:
10.1007/s10853-021-06629-z

18. A conductive bio-hydrogel with high conductivity and mechanical strength via physical filling of electrospinning polyaniline fibers

Author:
Jie Chen; Xiaohui Wang; Liping Dao; Lu Liu; Ying Yang; Jingwen Liu; Shuyi Wu; Yongqiang Cheng; Jie Pang
Source:
Colloids and surfaces 2022 v.637 pp. 128190
ISSN:
0927-7757
Subject:
tensile strength,   etc   ; heat stability; hydrogels; konjac mannan; lithium; polyaniline;     Show all 6 Subjects
Abstract:
... The development of bio-based conductive hydrogel has become the research frontier of flexible sensors. However, it is a challenge to prepare a simple method to prepare bio-based conductive hydrogel with excellent stability, tensile strength, and conductivity. Here, we show a simple strategy to prepare conductive, stretchable, and stable hydrogel (KKLN). The KKLN consists of the conductive polyanil ...
DOI:
10.1016/j.colsurfa.2021.128190

19. Construction of a stereocomplex between poly(d-lactide) grafted hydroxyapatite and poly(l-lactide): toward a bioactive composite scaffold with enhanced interfacial bonding

Author:
Cijun Shuai; Li Yu; Pei Feng; Shuping Peng; Hao Pan; Xinna Bai
Source:
Journal of materials chemistry B 2022 v.10 no.2 pp. 214-223
ISSN:
2050-7518
Subject:
tensile strength,   etc   ; bioactive properties; cell adhesion; hydrogen; hydroxyapatite; polymerization;     Show all 6 Subjects
Abstract:
... The poly(l-lactide) (PLLA)/hydroxyapatite (HAP) composite scaffold is expected to combine the favorable compatibility and processability of PLLA with the excellent bioactivity and osteoconductivity of HAP. Unfortunately, the poor interfacial bonding between PLLA and HAP leads to a deterioration in mechanical properties. In this study, poly(d-lactide) (PDLA) was grafted onto the surface of HAP nano ...
DOI:
10.1039/d1tb02111g

20. Dual-crosslinking side chains with an asymmetric chain structure: a facile pathway to a robust, self-healable, and re-dissolvable polysiloxane elastomer for recyclable flexible devices

Author:
Ziqian Lin; Haoyu Deng; Yang Hou; Xiaoxuan Liu; Ruijie Xu; Hongping Xiang; Zhongquan Peng; Minzhi Rong; Mingqiu Zhang
Source:
Journal of materials chemistry A 2022 v.10 no.20 pp. 11019-11029
ISSN:
2050-7496
Subject:
tensile strength,   etc   ; adhesion; carbon nanotubes; crosslinking; hydrogen; imines; siloxanes;     Show all 7 Subjects
Abstract:
... The facile fabrication of robust, self-healable, and re-dissolvable polysiloxane elastomers for use in recyclable flexible devices is highly desired yet quite a challenge. Herein, a strategy involving dual-crosslinking side chains with an asymmetric chain structure is proposed to overcome the related challenges. Dual crosslinking is readily undergone between diethylenetriamine-functionalized polys ...
DOI:
10.1039/d2ta01535h