Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 106 for “"toughening"”.
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Toughening of rigid silicone resins
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1997.
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Transformation toughening of metastable austenitic steels
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1984.
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Micromechanics of toughening in polymeric composites
The macroscopic tensile toughness of glassy homo-polymers is often limited due to either localized crazing followed by failure [e.g., polymethyl-methacrylate (PMMA), polystyrene (PS)], or cavitation-induced brittle failure under high triaxiality [e.g., polycarbonate (PC)]. Judicious choice of …
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Toughening mechanisms in weak matrix ceramic composites
… porosity or damaged zones, so called porosity toughening or damage toughening respectively, was proposed in this study to provide the rationale for guiding development of oxide/oxide composites. The existence of porosity toughening was examined by qualitative theoretical consideration and …
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Fracture and toughening of soft elastic composite
… present study is on the fracture property and toughening mechanism of soft composites. Two types of soft composites will be studied: soft elastic foam and the double-network (DN) composite. A theoretical/numerical study is carried out over soft elastic foams. By using the analogy between the …
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Transformation toughening in phosphocarbide-strengthened austenitic steels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
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Transformation toughening and the martensitic transformation in ZrO2
Thesis: Sc. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 1985
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Toughening polyester resin by elastomeric coating on filler
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1980.
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Toughening mechanisms in polypropylene filled with rigid particles
… to four times that of the unfilled matrix. The toughening mechanisms at work were plastic deformation of interparticle ligaments following particle-matrix debonding with additional contribution coming from crack deflection toughening. The failure of too large or too small particles to toughen …
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Toughening and fracture mechanisms of rubber modified polyamides
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1995.
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Dispersed-phase transformation toughening in ultrahigh-strength steels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
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Transformation toughening of [gamma][prime]-strengthened metastable austenitic steels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1990.
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Toughening of a polyester and epoxy molecular network system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1997.
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Toughening of cyanate ester networks with reactive thermoplastic modifiers
… attention has been devoted to the aspect of toughening such brittle networks in our laboratories. Reactive functional thermoplastics not only enhance toughness but also impart highly desirable stability to solvent stress cracking without seriously affecting the moderately high modulus. …
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Microstructural development, phase stability, and toughening in mullite matrix composites
… evolution, oxidation behavior and toughening mechanisms, in order to extend the knowledge in these areas and provide a basis for the future development of these materials. X-ray diffraction, optical microscopy, high resolution scanning electron microscopy (SEM) and analytical …
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The role of particle cavitation in the toughening of polymers
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.
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Mechanics of strain-induced transformation toughening in metastable austenitic steels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1991.
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Investigation of the Lanthanide Sesquioxides as High Temperature Transformation Toughening Agents
… as possible high temperature transformation toughening agents. Specifically, the monoclinic to cubic (B $\Rightarrow$ C) transformation in Gd$\sb2$O$\sb3$ and Tb$\sb2$O$\sb3$ was examined. This transformation involves an 8-10% volume expansion and a shape change ($\Delta\beta$) of …
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