Proper matrix-reinforcement bonding in cast metal matrix composites as a factor of their good quality

Gawdzińska, K.; Chybowski, Leszek; Przetakiewicz, W.

doi:10.1016/j.acme.2015.11.004

Cited by 40 publications

(43 citation statements)

References 4 publications

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“…The above considerations, supplemented with author' studies presented, inter alia, in [2,7] has led to the summary placed in Table 2. The methods are divided into those where the suitability does not require to be experimentally confirmed and those that have to verified: -for their suitability or -whose scope of application has to be specified.…”

Section: Discussionmentioning

confidence: 99%

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Methods of the Detection and Identification of Structural Defects in Saturated Metallic Composite Castings

Gawdzińska¹

2017

Archives of Foundry Engineering

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Diagnostics of composite castings, due to their complex structure, requires that their characteristics are tested by an appropriate description method. Any deviation from the specific characteristic will be regarded as a material defect. The detection of defects in composite castings sometimes is not sufficient and the defects have to be identified. This study classifies defects found in the structures of saturated metallic composite castings and indicates those stages of the process where such defects are likely to be formed. Not only does the author determine the causes of structural defects, describe methods of their detection and identification, but also proposes a schematic procedure to be followed during detection and identification of structural defects of castings made from saturated reinforcement metallic composites. Alloys examination was conducted after technological process, while using destructive (macroscopic tests, light and scanning electron microscopy) and non-destructive (ultrasonic and X-ray defectoscopy, tomography, gravimetric method) methods. Research presented in this article are part of author's work on castings quality.

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Section: Discussionmentioning

confidence: 99%

“…These were complemented with computer image analysis, and statistical and stereological methods (described in detail in [2,7]). The quality of castings was tested after the manufacturing process.…”

Section: Methods For the Detection Of Defects In Reinforcement And Mamentioning

confidence: 99%

Methods of the Detection and Identification of Structural Defects in Saturated Metallic Composite Castings

Gawdzińska¹

2017

Archives of Foundry Engineering

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“…1). It bears the name of structure defects, just as suggested in [1,13]. Other groups (shape defects and raw surface defects) included in the classification correspond with groups differentiated in the casting failure classification for conventional materials.…”

Section: Methodsmentioning

confidence: 99%

“…This paper is based on a classification of defects in the structure of infiltrated metal composite castings [11][12][13], creating an entire group in the classification of casing defects (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

Application of FMEA in the Quality Estimation of Metal Matrix Composite Castings Produced by Squeeze Infiltration

Gawdzińska

Chybowski

Przetakiewicz

et al. 2017

Archives of Metallurgy and Materials

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Metal matrix composites (MMCs) are still scarcely described due to various combinations of used materials and a wide array of technologies. Applying the Failure Mode and Effect Analysis (FMEA) method to describe the quality of metal composite castings may contribute to eliminating specific (characteristic only to these materials) defects. This part of the analysis determines the criticality numbers, meaning the frequency of a given failure, detectability level and significance of a given failure to the group of specific composite casting failures. It contributes to establishing the priority number (P), which is a measure used to assess risk, a notion essential in discussing quality in a composite casting.

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“…For instance, polymeric foams have poor resistance to elevated temperature, ultraviolet light, emit large amounts of smoke and toxic substances when burning and have poor mechanical properties. Ceramic foams demonstrate high brittleness and consequently poor impact resistance [3][4][5][6][7]. Metallic foams can be produced from virtually all metals (except mercury).…”

Section: Introductionmentioning

confidence: 99%

Study of Thermal Properties of Cast Metal- Ceramic Composite Foams

Gawdzińska¹,

Chybowski²,

Przetakiewicz³

2017

Archives of Foundry Engineering

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Owing to its properties, metallic foams can be used as insulation material. Thermal properties of cast metal-ceramic composite foams have applications in transport vehicles and can act as fire resistant and acoustic insulators of bulkheads. This paper presents basic thermal properties of cast and foamed aluminum, the values of thermal conductivity coefficient of selected gases used in foaming composites and thermal capabilities of composite foams (AlSi11/SiC). A certificate of non-combustibility test of cast aluminum-ceramic foam for marine applications was included inside the paper. The composite foam was prepared by the gas injection method, consisting in direct injection of gas into liquid metal. Foams with closed and open cells were examined. The foams were foaming with foaming gas consisting of nitrogen or air. This work is one of elements of researches connected with description of properties of composite foams. In author's other works acoustic properties of these materials will be presented.

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Proper matrix-reinforcement bonding in cast metal matrix composites as a factor of their good quality

Cited by 40 publications

References 4 publications

Methods of the Detection and Identification of Structural Defects in Saturated Metallic Composite Castings

Methods of the Detection and Identification of Structural Defects in Saturated Metallic Composite Castings

Application of FMEA in the Quality Estimation of Metal Matrix Composite Castings Produced by Squeeze Infiltration

Study of Thermal Properties of Cast Metal- Ceramic Composite Foams

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