Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin
This study investigated the effect of crushed corn cob reinforcement on the compressive strength of composite materials with a hybrid matrix based on dammar (60%) and a synthetic epoxy (Resoltech 1050 with 1058s hardener). While previous research has explored mechanical and chemical properties of su...
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| Language: | English |
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North Carolina State University
2025-04-01
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| Series: | BioResources |
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| Online Access: | https://ojs.bioresources.com/index.php/BRJ/article/view/24404 |
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| author | Cosmin Mihai Miritoiu |
| author_facet | Cosmin Mihai Miritoiu |
| author_sort | Cosmin Mihai Miritoiu |
| collection | DOAJ |
| description | This study investigated the effect of crushed corn cob reinforcement on the compressive strength of composite materials with a hybrid matrix based on dammar (60%) and a synthetic epoxy (Resoltech 1050 with 1058s hardener). While previous research has explored mechanical and chemical properties of such composites, as well as the role of dammar resin, the specific impact of crushed corn cob on compressive strength had not yet been addressed. Materials with reinforcement mass fractions between 50% and 67% were fabricated, each with 15 samples. Power Analysis confirmed the sample size was statistically valid. A null hypothesis—stating that crushed corn cob has no significant influence on compressive strength—was tested and rejected (p < 0.05) using one-way ANOVA. Welch ANOVA confirmed the result (Fw > 2.49), and Kolmogorov-Smirnov tests showed data normality (p > 0.05). Post hoc ANOVA with Bonferroni correction confirmed significant differences between groups. The key finding was that beyond 66% crushed corn cob content, the materials lose engineering relevance due to inadequate compressive strength. |
| format | Article |
| id | doaj-art-0f1610a0ff724b10b2ae8c46feefd9ba |
| institution | DOAJ |
| issn | 1930-2126 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | North Carolina State University |
| record_format | Article |
| series | BioResources |
| spelling | doaj-art-0f1610a0ff724b10b2ae8c46feefd9ba2025-08-20T03:11:51ZengNorth Carolina State UniversityBioResources1930-21262025-04-01202439444152688Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar ResinCosmin Mihai Miritoiu0https://orcid.org/0000-0002-1660-6256University of Craiova, Faculty of Mechanics, Department of Applied Mechanics and Civil Constructions, Calea București Street, No. 107, Craiova, Romania This study investigated the effect of crushed corn cob reinforcement on the compressive strength of composite materials with a hybrid matrix based on dammar (60%) and a synthetic epoxy (Resoltech 1050 with 1058s hardener). While previous research has explored mechanical and chemical properties of such composites, as well as the role of dammar resin, the specific impact of crushed corn cob on compressive strength had not yet been addressed. Materials with reinforcement mass fractions between 50% and 67% were fabricated, each with 15 samples. Power Analysis confirmed the sample size was statistically valid. A null hypothesis—stating that crushed corn cob has no significant influence on compressive strength—was tested and rejected (p < 0.05) using one-way ANOVA. Welch ANOVA confirmed the result (Fw > 2.49), and Kolmogorov-Smirnov tests showed data normality (p > 0.05). Post hoc ANOVA with Bonferroni correction confirmed significant differences between groups. The key finding was that beyond 66% crushed corn cob content, the materials lose engineering relevance due to inadequate compressive strength.https://ojs.bioresources.com/index.php/BRJ/article/view/24404crushed corn cobdammar resincompression strengthone-way anovawelch anovakolmogorov-smirnov |
| spellingShingle | Cosmin Mihai Miritoiu Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin BioResources crushed corn cob dammar resin compression strength one-way anova welch anova kolmogorov-smirnov |
| title | Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin |
| title_full | Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin |
| title_fullStr | Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin |
| title_full_unstemmed | Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin |
| title_short | Influence of Crushed Corn Cob Mass Percentage on the Compression Breaking Strength of Composites with Hybrid Matrix Based on Dammar Resin |
| title_sort | influence of crushed corn cob mass percentage on the compression breaking strength of composites with hybrid matrix based on dammar resin |
| topic | crushed corn cob dammar resin compression strength one-way anova welch anova kolmogorov-smirnov |
| url | https://ojs.bioresources.com/index.php/BRJ/article/view/24404 |
| work_keys_str_mv | AT cosminmihaimiritoiu influenceofcrushedcorncobmasspercentageonthecompressionbreakingstrengthofcompositeswithhybridmatrixbasedondammarresin |