Study on a New Classification of Causes which Generate Deffects of Injection Molding Products

Luca, Liliana; Pasăre, Minodora Maria

doi:10.37358/mp.19.1.5146

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…The potential of reinforcement is efficiently used by following of the property's dependence on orthotropy (fibre orientation) in the design concept and by using of appropriate technologies during the execution [5]. A recent overview regarding the influences of materials, process, design or management show the recent study of Luca & Pasare (2019) products [12]. An efficient technology for reinforced automotive components is the IMC machine from Krauss Maffei.…”

Section: Introductionmentioning

confidence: 99%

�Green Carbon� from Algae for Automotive Applications

Zgaverdea¹,

Ratiu²

2021

Mater. Plast.

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Due to the continuous decrease in the level of oil resource, nowadays researchers from all fields are concerned with the creation of new bio plastics with special properties. The present work presents a series of such properties, which become achievable when reinforcing organic fibre materials obtained by reactive extrusion of thermoplastic Polyurethan (TPU) with Polylactid-Acid (PLA) in a twin-screw extruder and covalently linked into PLA-TPU-Blends, through the innovative one-step process technology, using the IMC Krauss Maffei injection moulding compounder, at the IKT University of Stuttgart. The elongation at break of PLA-TPU-Blends and the impact strength could be increased without significant reduction of strength and stiffness. A balanced relation between improved impact strength and reduced stiffness can be achieved by varying of the blend components. By using the partially biobased Polyurethane and natural fibres, a biobased content of more than 90% could be achieved. More and more advanced technologies allow the manufacture of components with reinforcements made of glass fibres, natural or carbon fibres obtained from polypropylene or Lignin. Due to their low specific weight compared to glass, carbon fibres are preferred for lightweight structures in the automotive or aeronautics industries. Green Carbon fibres, made in innovative ways from acrylonitrile resulting in the production of Bio-Diesel from algae, can successfully replace the conventional carbon fibres of Polypropylene, having identical properties. Fibre reinforcement aims to improve mechanical strength and impact resistance and increases the dimensional stability under heat of the composite. This feasibility study shows a method to realize fibre-reinforced materials using Green Carbon fibres with remarkable stability and rigidity similar or better than aluminum and steel for lightweight constructions.

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Section: Introductionmentioning

confidence: 99%

�Green Carbon� from Algae for Automotive Applications

Zgaverdea¹,

Ratiu²

2021

Mater. Plast.

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“…Menke, in his paper [5], presents the use of quality tools by companies that are concerned with improving the quality of R & D activities. A series of works, such as [6][7][8][9][10][11][12], present case studies on the analysis of non-quality problems using a classical fishbone diagram. In the paper [13], they present the defects of products that are obtained by forging and actions that can be taken to reduce these defects.…”

mentioning

confidence: 99%

Study on a Determination of Measures Needed to Improve the Quality of Analyzes Performed in a Chemical Laboratory

Luca¹,

Pasăre²,

Luca³

et al. 2019

Rev. Chim.

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In this paper the authors present a study on the use of the tree diagram to solve a quality problem in a chemical laboratory. The study aims to identify actions/measures that ensure elimination of sources of errors that cause non-quality problems in analyzes performed in a chemical laboratory. Several measures have been identified that have been grouped into four categories corresponding to four specific objectives. There was a relatively complex 4-level tree diagram. The specified tree chart is useful for organization management and staff in the chemical laboratory to prevent and eliminate nonconformities and generally to improve the quality of the deployed activities.

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Study on a New Classification of Causes which Generate Deffects of Injection Molding Products

Cited by 2 publications

References 12 publications

�Green Carbon� from Algae for Automotive Applications

�Green Carbon� from Algae for Automotive Applications

Study on a Determination of Measures Needed to Improve the Quality of Analyzes Performed in a Chemical Laboratory

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