Programmed static testing machine for polymer materials

1972 ◽  
Vol 5 (5) ◽  
pp. 827-829
Author(s):  
E. G. Isakovich
Keyword(s):  
Testing Machine ◽  
Polymer Materials ◽  
Static Testing ◽  
Static Testing Machine

scholarly journals Void Content and its Influence on the Fracture Behaviour of Long Fibre Reinforced Injection Molded Polypropylene

2004 ◽  
Vol 13 (6) ◽  
pp. 096369350401300
Author(s):  
Victor Iliev Rizov
Keyword(s):  
Fracture Toughness ◽  
Testing Machine ◽  
Compact Tension ◽  
Void Content ◽  
Linear Elastic ◽  
Static Testing ◽  
Glass Fibre Reinforced ◽  
Injection Molded ◽  
Elastic Fracture ◽  
Static Testing Machine

The influence of void content on the fracture performance of discontinuous long glass fibre reinforced injection molded polypropylene was studied. Compact tension specimens were machined from simple plate-tools and were loaded in a static testing machine in a laboratory environment. From the resulting load-displacement curves the fracture toughness was determined on the basis of the linear elastic fracture mechanics. It was found that higher void content causes a decrease in the fracture toughness.

Long-term static testing machine for plain and reinforced plastics

1972 ◽  
Vol 4 (3) ◽  
pp. 436-436
Author(s):  
M. M. Sladkov ◽  
G. F. Anson ◽  
A. A. Kalnais
Keyword(s):  
Testing Machine ◽  
Reinforced Plastics ◽  
Static Testing ◽  
Static Testing Machine

scholarly journals New possibilities for in situ CT analysis of additive manufactured samples

2020 ◽  
pp. 1-9
Author(s):  
Grzegorz Ziółkowski ◽  
Grzegorz Treter ◽  
Emilia Tokarczyk ◽  
Patrycja Szymczyk-Ziółkowska
Keyword(s):  
3D Imaging ◽  
Testing Machine ◽  
Tensile Tests ◽  
Static Testing ◽  
Industrial Computed Tomography ◽  
Ct Analysis ◽  
Manufacturing Methods ◽  
Static Testing Machine ◽  
In Situ Examination

Industrial Computed Tomography (CT) is a broadly used measurement method allowing for quality control of objects produced using additive manufacturing methods. The combination of tensile tests and simultaneous 3D imaging of the behavior of an object under a particular force (i.e. in situ examination – during the process) significantly broadens the possibilities of analyzing objects with a complex internal geometry. The purpose of this paper is to present the author’s project of a mini testing machine, to verify its functioning with regards to a static testing machine, and to present the initial in situ examination results for polymer samples.

scholarly journals PENAMBAHAN CHITOSAN DAN PLASTICIZERGLYCERIN DALAM PEMBUATAN BIOPLASTIK BERBAHAN DASAR EKSTRAK PROTEIN AMPAS TAHU

2021 ◽  
Vol 7 (2) ◽  
Author(s):  
Rindri Ruri Suryani ◽  
Abdul Hakim ◽  
Yusrianti Yusrianti ◽  
Shinfi Wazna Auvaria ◽  
Ika Mustika
Keyword(s):  
Mechanical Properties ◽  
Testing Machine ◽  
Extraction Process ◽  
Biodegradable Plastics ◽  
Absorption Capacity ◽  
Raw Material ◽  
Polymer Materials ◽  
Basic Material ◽  
Universal Testing ◽  
Japan Industrial Standard

Plastik sintetis merupakan plastik yang biasanya berbasis konvensional. Sumber bahan baku plastik sintetis merupakan energi yang tidak dapat diperbarui yaitu minyak bumi. Plastik sintetis memiliki sifat fisik yang fleksibel, ringan, kuat dan ekonomis. Plastik sintetis dapat menyebabkan permasalahan lingkungan yaitu sulitnya plastik sintetis yang terdegradasi oleh tanah. Sehingga dapat menurunkan kualitas tanah dan mikriorganisme. Upaya pencegahan permasalahan sampah plastik dapat dilakukan dengan pengembangan pembuatan plastik dari bahan polimer alami yang disebut bioplastik.  Plastik biodegradableumumnya terbuat dari bahan polisakarida dan dapat terbuat dari sumber protein, salah satunya limbah tahu. Penelitian ini bertujuan untuk memanfaatkan limbah tahu yang diekstrak untuk diambil proteinnyasebagai bahan dasar pembuatan plastik biodegradable, serta untuk mengetahui sifat mekanik dan lama bioplastik protein ampas tahu terdegradasi oleh tanah. Pembuatan bioplastik membutuhakan bahan pemlastis dan bahan aditif untuk menghasilkan plastik yang fleksibel. Penelitian  ini menggunakan penambahan plasticizerglycerin dengan variasi 30%,40%,50% dan bahan pengisi 20%. Penambahan chitosan sebanyak 5 ml. Hasil penelitian pembuatan protein ampas tahu menunjukkan bahwa kadar protein ampas tahu yang dihasilkan dari tahap diekstraksi sebesar 29.72%. Hasil pengujian kuat tarik bioplasik dari protein ampa tahu menggunakan alat UTM (Universal Testing Machine) yangberkisar antara 1.04-2.12 Mpa yang telah memenuhi standar bioplastik menurut Japan Industrial Standard (JIS). Sedangkan hasil pengujian daya serap air menggunakan metode swelling memiliki nilai tertinggi pada glycerin 50% sebesar 196% dalam kurun waktu 30 menit. Sedangkan daya serap paling baik terdapat pada variasi glycerin 30% sebesar 49.7%. Bioplastik berbahan dasar protein ampas tahu dapat terdegrdasi dengan sempurna dalam kisaran waktu 7-14 hari.  Kata kunci: biodegradable plastik, biodegradasi, chitosan, glycerin, sifat mekanik.  Synthetic plastics are plastics that are usually conventional based. The source of synthetic plastic raw material is non-renewable energy, namely petroleum. Synthetic plastics have physical properties that are flexible, lightweight, strong and economical. Synthetic plastics can cause environmental problems, namely the difficulty of synthetic plastics which are degraded by soil. So that it can reduce soil quality and microorganisms. Efforts to prevent the problem of plastic waste can be done by developing the manufacture of plastics from natural polymer materials called bioplastics. Biodegradable plastics are generally made of polysaccharides and can be made from protein sources, one of which is tofu waste. This study aims to utilize the extracted tofu waste for protein as a basic material for making biodegradable plastics, as well as to determine the mechanical properties and length of time for the tofu pulp protein to be degraded by the soil. The manufacture of bioplastics requires plasticizers and additives to produce flexible plastics. This study used the addition of glycerol plasticizer with a variation of 30%, 40%, 50% and 20% filler. The addition of 5 ml of chitosan. The results of the research on making tofu pulp protein showed that the protein content of tofu pulp from the extraction process was 29.72%. Bioplastic tensile strength value from tofu pulp ranges from 1.04-2.12 MPa which has met the bioplastic standards according to the Japan Industrial Standard (JIS). The highest water absorption capacity of bioplastics from tofu pulp protein was found in the glycerol 50% variation of 196% within 30 minutes. Meanwhile, the lowest absorption rate was found in the 30% glycerol variation of 49.7%. Bioplastics from tofu pulp protein can completely decompose in 7-14 days. Keywords: chitosan, degradation, glycerol, mechanical properties, plastic biodegradable.

scholarly journals Static and Dynamic Tensile Mechanical Behavior of Polyvinyl Chloride Elastomers with Different Shore Hardness

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Jingfa Lei ◽  
Yan Xuan ◽  
Tao Liu ◽  
Feiya Duan ◽  
Zhan Wei ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Mechanical Behavior ◽  
Polyvinyl Chloride ◽  
Mechanical Characteristics ◽  
Testing Machine ◽  
Tensile Load ◽  
Small Error ◽  
Polymer Materials ◽  
Design Development ◽  
Shore Hardness

An experiment on the static and dynamic tensile mechanical properties of polyvinyl chloride (PVC) elastomers is conducted using an Instron-5943 universal testing machine and an improved Split Hopkinson Tensile Bar to study the dynamic tensile mechanical properties of PVC elastomer materials. The stress-strain curves of PVC materials with three types of Shore hardness (57A, 52A, and 47A) under the strain rates of 0.1 s−1 and 400 ∼ 1800 s−1 are obtained. Results show that the mechanical behavior of PVC elastomer materials with different Shore hardness has remarkable linear elastic characteristics under the action of quasistatic tensile load. It has substantial sensitivity to strain rate and viscoelastic mechanical characteristics under the action of dynamic tensile load. The Zhu–Wang–Tang nonlinear viscoelastic constitutive model is used to characterize the viscoelastic mechanical characteristics with small error. This paper can provide theoretical model and method support for the design, development, production, and reliability analysis of PVC elastomers and other soft polymer materials.

scholarly journals Experimental Characterisation of the Mechanical Properties of Lightweight 3D Printed Polymer Materials for Biomechanical Application in Ankle-Foot Orthosis

2017 ◽  
Vol 54 (2) ◽  
pp. 396-401 ◽  
Author(s):  
Radu Calin Pahonie ◽  
Amado Stefan ◽  
Ioana Raluca Adochiei ◽  
Carmen Luiza Costuleanu ◽  
Gabriela Gladiola Andruseac ◽  
...  
Keyword(s):  
Lumbar Disc ◽  
Testing Machine ◽  
Polymer Materials ◽  
Foot Drop ◽  
Human Gait ◽  
Numerical Characterization ◽  
Secondary Injuries ◽  
Important Correlation ◽  
3D Printed ◽  
Foot Orthosis

In lumbar disc herniation a possible functional problem in the ambulation is the Foot-drop syndrome caused by radicular nerve pinching. This causes a dramatic loss in gait cycle efficiency. In the rehabilitation process patients may benefit from wearing a foot orthosis that prevents them from falling and secondary injuries. Evidence in the literature suggests the important correlation between the optimal match of the forces produced during human gait and the rigidity of the constructive materials. The inherent rigidity of the materials plays an important role in determining its biomechanical functions. The paper proposes an experimental and numerical characterization of 3D printed ABS and PLA specimens using a universal traction-compression testing machine and a finite element method numerical simulation.

scholarly journals Effect of formation water and hydrochloric acid on the physical and chemical properties of polymer materials of high pressure pipelines used for transportation of crude oil

2020 ◽  
Author(s):  
D. Aiduganov ◽  
D. Balkaev ◽  
M. Varfolomeev ◽  
D. Emelianov
Keyword(s):  
High Pressure ◽  
Hydrochloric Acid ◽  
Elevated Temperatures ◽  
Testing Machine ◽  
Linear Thermal Expansion ◽  
Chemical Properties ◽  
Polymer Coatings ◽  
Polymer Materials ◽  
Formation Water ◽  
Scanning Calorimetry

The purpose of the work is to conduct a comparative analysis of the stability of two types of polymer coatings to the effects of formation water and hydrochloric acid based on the analysis of mechanical properties, thermal stability and surface morphology. To accomplish the task, modern physical-chemical methods were used: differential scanning calorimetry, microscopy, an electromechanical universal testing machine, a dilatometer. Simulation of the effect of water at elevated temperatures and pressures on the polymer coating samples was carried out in an autoclave-reactor, the study of the effect of acid was carried out in a glass beaker. On the basis of the work carried out, results were obtained that show similarities and differences in the behavior of the polymer samples studied. The change of the dynamic modulus of elasticity and the coefficient of linear thermal expansion with increasing temperature is investigated. In general, it has been shown that PE-RT polymer has better characteristics than PE polymer. However, both of them are stable to the exposure of formation water and hydrochloric acid and can protect corrosion of high pressure pipes connections.

scholarly journals Study on Morphology, Rheology, and Mechanical Properties of Poly(trimethylene terephthalate)/CaCO3Nanocomposites

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Jian Wang ◽  
Chunzheng Wang ◽  
Mingtao Run
Keyword(s):  
Mechanical Properties ◽  
Apparent Viscosity ◽  
Testing Machine ◽  
Crystallization Rate ◽  
Polymer Materials ◽  
Scanning Calorimetry ◽  
Impact Tester ◽  
Trimethylene Terephthalate ◽  
Pseudoplastic Fluids ◽  
The Impact

For preparing good performance polymer materials, poly(trimethylene terephthalate)/CaCO3nanocomposites were prepared and their morphology, rheological behavior, mechanical properties, heat distortion, and crystallization behaviors were investigated by transmission electron microscopy, capillary rheometer, universal testing machine, impact tester, heat distortion temperature tester, and differential scanning calorimetry (DSC), respectively. The results suggest that the nano-CaCO3particles are dispersed uniformly in the polymer matrix. PTT/CaCO3nanocomposites are pseudoplastic fluids, and the CaCO3nanoparticles serve as a lubricant by decreasing the apparent viscosity of the nanocomposites; however, both the apparent viscosity and the pseudoplasticity of the nanocomposites increase with increasing CaCO3contents. The nanoparticles also have nucleation effects on PTT’s crystallization by increasing the crystallization rate and temperature; however, excessive nanoparticles will depress this effect because of the agglomeration of the particles. The mechanical properties suggest that the CaCO3nanoparticles have good effects on improving the impact strength and tensile strength with proper content of fillers. The nanofillers can greatly increase the heat distortion property of the nanocomposites.

scholarly journals Effect of formation water and hydrochloric acid on the physical and chemical properties of polymer materials of high pressure pipelines used for transportation of crude oil

2019 ◽  
Vol 121 ◽  
pp. 04001
Author(s):  
Dmitrii Aiduganov ◽  
Dinar Balkaev ◽  
Mikhail Varfolomeev ◽  
Dmitrii Emelianov
Keyword(s):  
High Pressure ◽  
Hydrochloric Acid ◽  
Elevated Temperatures ◽  
Testing Machine ◽  
Linear Thermal Expansion ◽  
Chemical Properties ◽  
Polymer Coatings ◽  
Polymer Materials ◽  
Formation Water ◽  
Scanning Calorimetry

The purpose of the work is to conduct a comparative analysis of the stability of two types of polymer coatings to the effects of formation water and hydrochloric acid based on the analysis of mechanical properties, thermal stability and surface morphology. To accomplish the task, modern physical-chemical methods were used: differential scanning calorimetry, microscopy, an electromechanical universal testing machine, a dilatometer. Simulation of the effect of water at elevated temperatures and pressures on the polymer coating samples was carried out in an autoclave-reactor, the study of the effect of acid was carried out in a glass beaker. On the basis of the work carried out, results were obtained that show similarities and differences in the behavior of the polymer samples studied. The change of the dynamic modulus of elasticity and the coefficient of linear thermal expansion with increasing temperature is investigated. In general, it has been shown that PE-RT polymer has better characteristics than PE polymer. However, both of them are stable to the exposure of formation water and hydrochloric acid and can protect corrosion of high pressure pipes connections.

scholarly journals Programming Periodic Fatigue Research of Composites Utilised for Ski Jumping Suits by Means of Merlin Test Profiler Software

2019 ◽  
Vol 27 (3(135)) ◽  
pp. 106-110
Author(s):  
Katarzyna Kobiela-Mendrek
Keyword(s):  
Mechanical Properties ◽  
Composite Material ◽  
Duty Cycle ◽  
Tensile Testing ◽  
Testing Machine ◽  
Tensile Testing Machine ◽  
Static Testing ◽  
Ski Jumping ◽  
Basic Parameters

In the thesis, an example of using an Instron 5544 – a tensile testing machine for programmable fatigue research of composite material designed for ski jumping suits is described. A few basic parameters were considered in the research, such as the duty cycle of the composite under exploitation conditions, the duration of individual stages of loads, and mechanical properties of the material obtained as a result of static testing. These parameters were used to program the cycle of research on the Instron 5544 model, a tensile testing machine controlled with a computer and equipped with Merlin Test Profiler software.

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