A variety of experimental techniques have been applied to examine how compositional variations in... more A variety of experimental techniques have been applied to examine how compositional variations in lattice disregistry (δ) affect the coarsening kinetics and particle morphology evolution of γ' particles in several Ni-Al-Mo alloys. Mo segregates to and increases the lattice parameter of the γ matrix in two phase Ni-base Al alloys. Therefore, controlled ternary additions of Mo to dilute, binary Ni-Al alloys permits variation of the lattice parameter disregistry between the Ni-base solid solution and the NiâAl ordered precipitates. Compositions were selected to maintain an approximately constant 10% volume fraction of the second phase. The coarsening rate of the γ' phase is observed to decrease with decreasing lattice disregistry and decreasing Al/Mo ratio. The implications of this observation are discussed with reference to differences in solid solubility, diffusivity and interfacial energy. The γ' particle shape in low coherence strain alloys is observed to be spherical and independent of particle size. In an alloy exhibiting appreciable δ and coherence strain, the γ' particles evolve from randomly distributed spheres to sharply aligned cubes and rods as particle size increases. There is also an increase in δ with aging time in this alloy. Compression creep of (100) single crystals at 750°C did not affect the shape of particles in the low coherence strain alloys while in a higher disregistry alloy, a highly oriented array of plates grew with long edges perpendicular to the applied stress direction. These findings are discussed with regard to stress and thermodynamic considerations.
This article introduces a framework that helps to assimilate intellectual property management act... more This article introduces a framework that helps to assimilate intellectual property management activities with the practices of marketing and strategy. With the framework, the management of IP rights is explained within marketing constructs such as the unique selling proposition. The article presents case studies that explore the applicability of the framework in a diversity of industry contexts and firm sizes.
Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of ... more Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of Slavomir Rawicz, a Polish cavalry officer who surrendered to the Russians in 1939 and was harshly imprisoned. After being transported and marched to Siberia (2,000 miles) by his hosts, he escapes into the surrounding wilderness. Surviving more than a year of chronic starvation, pestilence, deserts, swamps, mountains and the elements, he miraculously makes his way across the Asian land mass, north to south, completing a journey of close to 5,000 miles. In an earlier article, attorney Joe Hosteny makes a clever analogy between the horrific struggles of Mr. Rawicz and the contemporary experience of the independent inventor/patent holder who seeks to use the Federal legal system to license and enforce their invention rights.1 In many cases, enforcement is sought against an accused infringer who has economic resources that far exceed that of the independent inventor. This resource advantage f...
Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of ... more Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of Slavomir Rawicz, a Polish cavalry officer who surrendered to the Russians in 1939 and was harshly imprisoned. After being transported and marched to Siberia (2,000 miles) by his hosts, he escapes into the surrounding wilderness. Surviving more than a year of chronic starvation, pestilence, deserts, swamps, mountains and the elements, he miraculously makes his way across the Asian land mass, north to south, completing a journey of close to 5,000 miles. In an earlier article, attorney Joe Hosteny makes a clever analogy between the horrific struggles of Mr. Rawicz and the contemporary experience of the independent inventor/patent holder who seeks to use the Federal legal system to license and enforce their invention rights.1 In many cases, enforcement is sought against an accused infringer who has economic resources that far exceed that of the independent inventor. This resource advantage f...
Journal of Intelligent Manufacturing - J INTELL MANUF, 2000
The performance of a layered manufacturing (LM) process is determined by the appropriate setting ... more The performance of a layered manufacturing (LM) process is determined by the appropriate setting of process parameters. The study of the relationship between performance and process parameters is therefore an important area of LM process planning research. The trend in modern industry is to move from conventional automation to intelligent automation. LM technology is essentially an automated manufacturing technology that is evolving towards an intelligent automation technology. Slicing solid manufacturing (SSM) is a LM technique using paper as the working material and a CO2 laser as the cutting tool. In this manuscript, a back propagation (BP) learning algorithm of an artificial neural network (ANN) is used to determine appropriate process parameters for the SSM method. Key process parameters affecting accuracy are investigated. Quantitative relationships between the input parameters and output accuracy are established by developing the BP neural network.
Cast Aluminum-Silicon alloys are used in numerous automotive and industrial weight sensitive appl... more Cast Aluminum-Silicon alloys are used in numerous automotive and industrial weight sensitive applications because of their low density and excellent castability. The presence of trapped gas and or shrinkage pores in certain locations within castings has been shown to influence ...
Journal of Manufacturing Science and Engineering, 1997
This article will give a brief review of the start-of-the-art in commercial practice and advanced... more This article will give a brief review of the start-of-the-art in commercial practice and advanced research in the field of Rapid Prototyping with special attention to the additive methods of Solid Free Form Fabrication. Recent applications of this technology in computer integrated manufacturing environments will be outlined. Future applications and research in new materials will also be addressed.
Vol. 2:2] James Conley, et al Not surprisingly, distinct fault lines have emerged in the emulatio... more Vol. 2:2] James Conley, et al Not surprisingly, distinct fault lines have emerged in the emulation debate. The video game console manufacturers and game publishers contend that emulation is illegal and infringes their intellectual property rights.5 Interested in enforcing their ...
ABSTRACT This paper explores the academic literature and empirical evidence associated with the s... more ABSTRACT This paper explores the academic literature and empirical evidence associated with the strategic and tactical opportunities available to pharmaceutical firms confronted with the loss of patent protection on their branded drug. The marketing dimensions of product innovation, pricing and brand equity options are considered together with exclusivity options available through government regulators such as the US Food and Drug Administration. These options are then considered in the context of the legal monopolies available to innovators through the policy lenses of intellectual property. This paper further explores the maxim that sustainable competitive advantage for pharmaceutical innovators is realized at the nexus of marketing choices, intellectual property and regulatory regimes. Separate examples in gastro intestinal and neurological medications will be used to explore how the various options might be integrated together and used in a time sequenced, longitudinal manner to extend the market advantages and earnings levels of the original pharmaceutical compound innovation. Areas of potentially fruitful future academic research are described.
The microstructural heterogeneity of aluminum alloy A356 permanent mold castings impacts fatigue ... more The microstructural heterogeneity of aluminum alloy A356 permanent mold castings impacts fatigue performance differently depending on location in the casting. Casting conditions, which include casting temperature, gradients in the mold temperature, plunger speed and ...
It is now possible to generate tooling for near net shape manufacturing processes directly from a... more It is now possible to generate tooling for near net shape manufacturing processes directly from a CAD database by using computer numerical control (CNC) machining or a variety of rapid prototyping (RP) processes. These methods are widely referred to as rapid tooling processes ...
A variety of experimental techniques have been applied to examine how compositional variations in... more A variety of experimental techniques have been applied to examine how compositional variations in lattice disregistry (δ) affect the coarsening kinetics and particle morphology evolution of γ' particles in several Ni-Al-Mo alloys. Mo segregates to and increases the lattice parameter of the γ matrix in two phase Ni-base Al alloys. Therefore, controlled ternary additions of Mo to dilute, binary Ni-Al alloys permits variation of the lattice parameter disregistry between the Ni-base solid solution and the NiâAl ordered precipitates. Compositions were selected to maintain an approximately constant 10% volume fraction of the second phase. The coarsening rate of the γ' phase is observed to decrease with decreasing lattice disregistry and decreasing Al/Mo ratio. The implications of this observation are discussed with reference to differences in solid solubility, diffusivity and interfacial energy. The γ' particle shape in low coherence strain alloys is observed to be spherical and independent of particle size. In an alloy exhibiting appreciable δ and coherence strain, the γ' particles evolve from randomly distributed spheres to sharply aligned cubes and rods as particle size increases. There is also an increase in δ with aging time in this alloy. Compression creep of (100) single crystals at 750°C did not affect the shape of particles in the low coherence strain alloys while in a higher disregistry alloy, a highly oriented array of plates grew with long edges perpendicular to the applied stress direction. These findings are discussed with regard to stress and thermodynamic considerations.
This article introduces a framework that helps to assimilate intellectual property management act... more This article introduces a framework that helps to assimilate intellectual property management activities with the practices of marketing and strategy. With the framework, the management of IP rights is explained within marketing constructs such as the unique selling proposition. The article presents case studies that explore the applicability of the framework in a diversity of industry contexts and firm sizes.
Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of ... more Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of Slavomir Rawicz, a Polish cavalry officer who surrendered to the Russians in 1939 and was harshly imprisoned. After being transported and marched to Siberia (2,000 miles) by his hosts, he escapes into the surrounding wilderness. Surviving more than a year of chronic starvation, pestilence, deserts, swamps, mountains and the elements, he miraculously makes his way across the Asian land mass, north to south, completing a journey of close to 5,000 miles. In an earlier article, attorney Joe Hosteny makes a clever analogy between the horrific struggles of Mr. Rawicz and the contemporary experience of the independent inventor/patent holder who seeks to use the Federal legal system to license and enforce their invention rights.1 In many cases, enforcement is sought against an accused infringer who has economic resources that far exceed that of the independent inventor. This resource advantage f...
Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of ... more Introduction The “Long Walk” is the title of a 1950’s book that recounts the remarkable story of Slavomir Rawicz, a Polish cavalry officer who surrendered to the Russians in 1939 and was harshly imprisoned. After being transported and marched to Siberia (2,000 miles) by his hosts, he escapes into the surrounding wilderness. Surviving more than a year of chronic starvation, pestilence, deserts, swamps, mountains and the elements, he miraculously makes his way across the Asian land mass, north to south, completing a journey of close to 5,000 miles. In an earlier article, attorney Joe Hosteny makes a clever analogy between the horrific struggles of Mr. Rawicz and the contemporary experience of the independent inventor/patent holder who seeks to use the Federal legal system to license and enforce their invention rights.1 In many cases, enforcement is sought against an accused infringer who has economic resources that far exceed that of the independent inventor. This resource advantage f...
Journal of Intelligent Manufacturing - J INTELL MANUF, 2000
The performance of a layered manufacturing (LM) process is determined by the appropriate setting ... more The performance of a layered manufacturing (LM) process is determined by the appropriate setting of process parameters. The study of the relationship between performance and process parameters is therefore an important area of LM process planning research. The trend in modern industry is to move from conventional automation to intelligent automation. LM technology is essentially an automated manufacturing technology that is evolving towards an intelligent automation technology. Slicing solid manufacturing (SSM) is a LM technique using paper as the working material and a CO2 laser as the cutting tool. In this manuscript, a back propagation (BP) learning algorithm of an artificial neural network (ANN) is used to determine appropriate process parameters for the SSM method. Key process parameters affecting accuracy are investigated. Quantitative relationships between the input parameters and output accuracy are established by developing the BP neural network.
Cast Aluminum-Silicon alloys are used in numerous automotive and industrial weight sensitive appl... more Cast Aluminum-Silicon alloys are used in numerous automotive and industrial weight sensitive applications because of their low density and excellent castability. The presence of trapped gas and or shrinkage pores in certain locations within castings has been shown to influence ...
Journal of Manufacturing Science and Engineering, 1997
This article will give a brief review of the start-of-the-art in commercial practice and advanced... more This article will give a brief review of the start-of-the-art in commercial practice and advanced research in the field of Rapid Prototyping with special attention to the additive methods of Solid Free Form Fabrication. Recent applications of this technology in computer integrated manufacturing environments will be outlined. Future applications and research in new materials will also be addressed.
Vol. 2:2] James Conley, et al Not surprisingly, distinct fault lines have emerged in the emulatio... more Vol. 2:2] James Conley, et al Not surprisingly, distinct fault lines have emerged in the emulation debate. The video game console manufacturers and game publishers contend that emulation is illegal and infringes their intellectual property rights.5 Interested in enforcing their ...
ABSTRACT This paper explores the academic literature and empirical evidence associated with the s... more ABSTRACT This paper explores the academic literature and empirical evidence associated with the strategic and tactical opportunities available to pharmaceutical firms confronted with the loss of patent protection on their branded drug. The marketing dimensions of product innovation, pricing and brand equity options are considered together with exclusivity options available through government regulators such as the US Food and Drug Administration. These options are then considered in the context of the legal monopolies available to innovators through the policy lenses of intellectual property. This paper further explores the maxim that sustainable competitive advantage for pharmaceutical innovators is realized at the nexus of marketing choices, intellectual property and regulatory regimes. Separate examples in gastro intestinal and neurological medications will be used to explore how the various options might be integrated together and used in a time sequenced, longitudinal manner to extend the market advantages and earnings levels of the original pharmaceutical compound innovation. Areas of potentially fruitful future academic research are described.
The microstructural heterogeneity of aluminum alloy A356 permanent mold castings impacts fatigue ... more The microstructural heterogeneity of aluminum alloy A356 permanent mold castings impacts fatigue performance differently depending on location in the casting. Casting conditions, which include casting temperature, gradients in the mold temperature, plunger speed and ...
It is now possible to generate tooling for near net shape manufacturing processes directly from a... more It is now possible to generate tooling for near net shape manufacturing processes directly from a CAD database by using computer numerical control (CNC) machining or a variety of rapid prototyping (RP) processes. These methods are widely referred to as rapid tooling processes ...
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