scholarly journals Influence of the PVC of Glass Fiber Powder on the Properties of a Thermochromic Waterborne Coating for Chinese Fir Boards

Coatings ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 588 ◽  
Author(s):  
Xiaoxing Yan ◽  
Lin Wang ◽  
Xingyu Qian
Keyword(s):  
Wear Resistance ◽  
Glass Fiber ◽  
Thermal Insulation ◽  
Volume Concentration ◽  
Impact Resistance ◽  
High Hardness ◽  
Chinese Fir ◽  
Waterborne Coating ◽  
Pigment Volume Concentration ◽  
Insulation Coating

A thermochromic waterborne coating with thermal insulation efficacy was prepared by adding thermochromic microcapsules and glass fiber powder. The influence of the pigment volume concentration (PVC) of a glass fiber powder on the performance of the thermochromic coating for Chinese fir boards was investigated. It was found that a coating with a PVC of glass fiber powder of 0–22.0% had better discoloration properties. When the PVC of the glass fiber powder was more than 4.0%, with the increase of the PVC, the gloss of the coating decreased gradually, while, the adhesion, impact resistance, and liquid resistance were not affected. When the PVC of the glass fiber powder was 10.0%–30.0%, it showed thermal insulation efficacy and high hardness. The coating with a PVC of 16.0% glass fiber powder had better wear resistance. The discoloration property of the coating with thermal insulation efficacy was not affected by time. These results exhibit great potential for the application of a wood surface thermochromic and thermal insulation coating.

scholarly journals Thermal insulation coating based on water-based polymer dispersion

2018 ◽  
Vol 143 ◽  
pp. 02007
Author(s):  
Iuliia Panchenko ◽  
Marina Akulova ◽  
Dmitrii Panchenko
Keyword(s):  
Thermal Insulation ◽  
Volume Concentration ◽  
Filling Ratio ◽  
Winter Period ◽  
Polymer Dispersion ◽  
Pigment Volume Concentration ◽  
Water Based ◽  
Varnish Coating ◽  
Insulation Coating ◽  
Aluminum Pigment

For Russia, due to its long winter period, improvement of thermal insulation properties of envelope structures by applying thermal insulation paint and varnish coating to its inner surface is considered perspective. Thermal insulation properties of such coatings are provided by adding aluminosilicate microspheres and aluminum pigment to their composition. This study was focused on defining the effect of hollow aluminosilicate microspheres and aluminum pigment on the paint thermal insulation coating based on water-based polymer dispersion and on its optimum filling ratio. The optimum filling ratio was determined using the method of critical pigment volume concentration (CPVC). The optimum filling ratio was found equal to 55%.

scholarly journals The Effect of Glass Fiber Powder on the Properties of Waterborne Coatings with Thermochromic Ink on a Chinese Fir Surface

Polymers ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 1733 ◽  
Author(s):  
Yan ◽  
Qian ◽  
Chang ◽  
Lu ◽  
Miyakoshi
Keyword(s):  
Glass Fiber ◽  
Paint Film ◽  
Impact Resistance ◽  
Base Material ◽  
Chinese Fir ◽  
Temperature Sensitive ◽  
Waterborne Coating ◽  
Waterborne Coatings ◽  
Powder Concentration ◽  
Heat Preservation

In this study, the effect of glass fiber powder on the properties of waterborne coatings with thermochromic ink was investigated, using Chinese fir board as the base material and temperature-sensitive thermochromic waterborne coatings with thermochromic ink as the paint base. The concentration of glass fiber powder was determined when the microstructure, optical properties, mechanical properties, liquid resistance, and heat preservation effect were the best. The results showed that the paint film with glass fiber powder concentration of 1.0% to 7.0% had better discoloration performance. With an increase of the glass fiber powder concentration, the gloss of the paint film decreased gradually, and when the concentration of glass fiber powder was 0% to 5.0%, the gloss of the paint film was better. The concentration of glass fiber powder had no effect on the adhesion, impact resistance, and liquid resistance. In the first 2.5 min, the temperature value of the waterborne coating with 3.0% glass fiber powder was higher than that without glass fiber powder, which has a certain heat preservation effect. When the glass fiber powder content was 3.0%, the microstructure of paint film was the best. The composition of paint film with different glass fiber powder concentrations was not different and the discoloration performance of paint film with heat preservation effect was not affected by time. The analysis showed that the waterborne coating with 3.0% glass fiber powder had the best comprehensive performance. This work provides a technical reference for the industrialization of heat preservation and thermochromic coating on wood.

scholarly journals Investigation of the Properties of Color-Changing Powder Water-Based Coating

Coatings ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 815 ◽  
Author(s):  
Xiaoxing Yan ◽  
Yijuan Chang
Keyword(s):  
Paint Film ◽  
Impact Resistance ◽  
Color Difference ◽  
Chinese Fir ◽  
Coating Process ◽  
Waterborne Coating ◽  
Resistance Level ◽  
Waterborne Coatings ◽  
Film Adhesion ◽  
The Impact

The suitable coating process and discoloration effect of the waterborne paint added with color-changing powder on the surface of Chinese fir were investigated using an orthogonal method from three factors of the number of primers, topcoats, and the way of adding color-changing powder. It was found that the number of primers showed the greatest significance on the color difference of paint film, and the method of adding the color-changing powder had the most influence on the gloss of the paint film. Meanwhile, the impact resistance, paint film adhesion, liquid film resistance level, the gloss of coatings, and the composition of waterborne coatings were not affected by the three factors. The results indicated that two primers, two topcoats with color-changing powder, were the most suitable coating technologies for the reversible color waterborne coating to obtain a stable and sustainable discoloration effect. These results will provide a reference for the construction and application of a color-changing coating.

REYNOLDS 390 and A390

Alloy Digest ◽  
1971 ◽  
Vol 20 (8) ◽  
Keyword(s):  
Mechanical Properties ◽  
Wear Resistance ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Physical Properties ◽  
High Hardness ◽  
Heat Treating ◽  
Silicon Alloys ◽  
Aluminum Silicon Alloys ◽  
Temperature Performance

Abstract REYNOLDS 390 and A390 are hypereutectic aluminum-silicon alloys having excellent wear resistance coupled with good mechanical properties, high hardness, and low coefficients of expansion. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, and machining. Filing Code: Al-203. Producer or source: Reynolds Metals Company.

HOWMET No. 3

Alloy Digest ◽  
1968 ◽  
Vol 17 (10) ◽  
Keyword(s):  
Fracture Toughness ◽  
Wear Resistance ◽  
Corrosion Resistance ◽  
Base Alloy ◽  
High Hardness ◽  
Heat Treating ◽  
High Heat ◽  
Cobalt Base Alloy ◽  
Metal Products ◽  
Cobalt Base

Abstract HOWMET No. 3 is a cobalt-base alloy having high hardness and compressive strength, high heat and corrosion resistance, along with excellent abrasion and wear resistance. It is recommended for bushings, scrapers, valve parts, and other machinery components. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Co-56. Producer or source: Howmet Corporation Metal Products Division.

DOUBLE SEVEN

Alloy Digest ◽  
1962 ◽  
Vol 11 (9) ◽  
Keyword(s):  
Fracture Toughness ◽  
Wear Resistance ◽  
Physical Properties ◽  
Cold Working ◽  
High Hardness ◽  
Heat Treating ◽  
Heavy Duty ◽  
High Carbon ◽  
Die Steel ◽  
High Chromium

Abstract DOUBLE SEVEN is an air hardening high-carbon high-chromium tool and die steel having high hardness and wear resistance. It is recommended for shear blades, cold working tools, and heavy duty dies. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-124. Producer or source: Edgar Allen & Company Ltd, Imperial Steel Works.

CARLSON ALLOY NITRONIC 60

Alloy Digest ◽  
2009 ◽  
Vol 58 (2) ◽  
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Nickel Alloys ◽  
High Temperature Oxidation ◽  
Lower Cost ◽  
Impact Resistance ◽  
Corrosion And Wear ◽  
Temperature Oxidation ◽  
High Nickel ◽  
Temperature Impact

Abstract CARLSON ALLOY NITRONIC 60 is a galling- and wear-resistant austenitic stainless steel that provides a significantly lower-cost alternative to cobalt-bearing and high-nickel alloys. Corrosion resistance is superior to 304 in most media. Approximately twice the yield strength of 340 and 316. Possesses excellent high-temperature oxidation resistance and low-temperature impact resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion and wear resistance as well as forming. Filing Code: SS-1029. Producer or source: G.O. Carlson Inc.

DURATECH 30

Alloy Digest ◽  
2006 ◽  
Vol 55 (3) ◽  
Keyword(s):  
Wear Resistance ◽  
High Temperature ◽  
Physical Properties ◽  
High Hardness ◽  
Heat Treating ◽  
Powder Metal ◽  
Temperature Performance ◽  
Very High

Abstract DuraTech 30 is a superhigh-speed steel evolved from the ASTM M3-2 composition, but with added cobalt. The exotic composition offers improved toughness and very high hardness. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on high temperature performance and wear resistance as well as heat treating, machining, and powder metal forms. Filing Code: TS-629. Producer or source: Timken Latrobe Steel.

Laser Assisted High Entropy Alloy Coating on Low Carbon Steel

2019 ◽  
Vol 813 ◽  
pp. 159-164
Author(s):  
Carlos Alberto Souto ◽  
Gustavo Faria Melo da Silva ◽  
Laura Angelica Ardila Rodriguez ◽  
Aline C. de Oliveira ◽  
Kátia Regina Cardoso
Keyword(s):  
Wear Resistance ◽  
Carbon Steel ◽  
Low Carbon Steel ◽  
High Hardness ◽  
Alloy Coating ◽  
High Entropy Alloy ◽  
Nominal Composition ◽  
Low Carbon ◽  
High Entropy ◽  
Scan Speed

Coatings with high entropy alloys of the AlCoCrFeNiV system were obtained by selective laser melting on low carbon steel substrates. The effect of the variation of the Fe and V contents as well as the laser processing parameters in the development of the coating were evaluated. The coatings were obtained from the simple powder mixtures of the high purity elemental components in a planetary ball mill. The coatings were obtained by using CO2 laser with a power of 100 W, diameter of 0.16 mm, and scan speed varying from 3 to 12 mm/s. Phase constituents, microstructure and hardness were investigated by XRD, SEM, and microhardness tester, respectively. Wear resistance measurements were carried out by the micro-abrasion method using ball-cratering tests. The coatings presented good adhesion to the substrate and high hardness, of the order of 480 to 650 HV. Most homogeneous coating with nominal composition was obtained by using the higher scan speed, 12 mm/s. Vanadium addition increased hardness and gave rise to a high entropy alloy coating composed by BCC solid solutions. Ball cratering tests conducted on HEA layer showing improvement of material wear resistance, when compared to base substrate, decreasing up to 88% its wear rate, from 1.91x10-6 mm3/Nmm to 0.23x10-6 mm3/Nmm.

Investigation of thermo-physical properties of thermal insulation coating

2017 ◽  
Author(s):  
Michal Kopčok ◽  
Jozefa Lukovičová ◽  
Jozef Kačur ◽  
Gabriela Pavlendová
Keyword(s):  
Physical Properties ◽  
Thermal Insulation ◽  
Insulation Coating ◽  
Thermo Physical Properties
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