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  • 1
    Electronic Resource
    Electronic Resource
    Dependence of strain energy density function on cross-link density and degree of swelling for cis-1,4-polyisoprene rubber vulcanizates (1982)
    s.l. : American Chemical Society
    Macromolecules 15 (1982), S. 160-165 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00229a032
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Clothing engineering based on objective measurement technology (1998)
    Bingley : Emerald
    International journal of clothing science & technology 10 (1998), S. 263-272 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Engineered manufacturing of high quality garments has long been a target of textile technology. There are three main factors for manufacturing high quality garments. They are: the selection of good fabrics for the garments; the process control of garment manufacturing; and the performance and correct adjustment of manufacturing machines such as sewing machines. In recent years, objective evaluation technology of fabric quality has been developed, and many researchers are now moving toward the engineered design of fabric quality based on this objective evaluation technology. The present authors are also conducting research on these three factors on the basis of the development of objective evaluation technology. This paper consists of two parts. The first part is a brief introduction about the investigation of the first and the second factors, which have been investigated by the authors. The second part presents our recent research on seam pucker problems. This problem is a machine-materials interaction problem, and the mechanical properties of sewing thread and fabric are closely connected in this problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229810693636
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Difficulty with Shingosen: A View from an Analysis of Fabric Hand (1994)
    Bingley : Emerald
    International journal of clothing science & technology 6 (1994), S. 17-19 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Reports on Shingosen, its status and further potential with regard to fibre, fabric and apparel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229410063503
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  • 4
    Electronic Resource
    Electronic Resource
    High Quality Fabrics for Garments (1994)
    Bingley : Emerald
    International journal of clothing science & technology 6 (1994), S. 20-25 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Explains the origins of the development of the handle method, and lists the three criteria for predicting fabric quality. Shows how fabric handle evaluation is used, for example, handle analysis expresses characteristics and quality. Goes on to explain hand value and total hand value with the aid of equations and charts. Concludes that the textile technology must apply today's technologies to the production of higher grade fabrics - i.e. ideal fabrics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229410074565
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The objective evaluation of blanket hand and durability: A preliminary investigation (1999)
    Bingley : Emerald
    International journal of clothing science & technology 11 (1999), S. 90-108 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The purpose of this study is to investigate an objective method of evaluating the tactile comfort of blankets by a method of connecting the mechanical parameters of blankets to subjective evaluation. The two methods are preliminarily investigated as follows: (1) Transformation equations for the fabric hand of suiting, KN-101-W for primary hand values and KN-301-W for THV, are applied, with the mean and standard deviation applied to these equations replaced with new values for the blanket population. (2) A new prediction equation is constructed for deriving THV directly from the mechanical parameters and thermal properties. The prediction accuracy of method (2) is a little higher than that of (1). The durability of blankets during repeated use and repeated dry cleaning determined by the initial performance of blankets is also investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229910276395
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  • 6
    Electronic Resource
    Electronic Resource
    An experiment on human sensory measurement and its objective measurement: Case of the measurement of seam pucker level (1997)
    Bingley : Emerald
    International journal of clothing science & technology 9 (1997), S. 203-206 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Presents a report on a recent experiment on the evaluation of seam pucker level by the objective method. Explains that human beings measure physical quantity and quality by means of subjective methods. Fabric hand evaluation is an example of this type of evaluation and an example of a relatively complex measurement with many relating physical variables. The measurement of seam pucker is a much simpler measurement than fabric hand evaluation, as only the fabric geometry along a seam line is visually observed and evaluated. This simplicity, however, is useful when investigating the human objective judgement of a geometrical phenomenon. Suggests that this investigation may be applied directly to the development of an objective system of seam pucker level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229710168324
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  • 7
    Electronic Resource
    Electronic Resource
    A guide line for manufacturing "ideal fabrics" (1999)
    Bingley : Emerald
    International journal of clothing science & technology 11 (1999), S. 134-144 
    Details
    ISSN: 0955-6222
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This paper reports the recent progress in the ideal fabrics project that started in 1996. The aim of this project is to initiate the engineered manufacturing of "ideal fabric". Ideal fabric is the fabric which satisfies the three conditions, good hand, good appearance of suit, and mechanical comfort for wear. The objective evaluation method of these three properties has been developed, and these objective method and fabric mechanics theories are fully applied to this project. Some ideal fabrics have been manufactured as the guideline for manufacturing ideal fabrics in the future. These trial fabrics are now being commercialized to assess the response of consumers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09556229910276296
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  • 8
    Electronic Resource
    Electronic Resource
    Mechanical properties of natural rubber vulcanizates in finite deformationPresented at the 17th Symposium on Polymer Chemistry, Japan, Ehime University, Matsuyama, Oct. 24, 1968. (1970)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-2: Polymer Physics 8 (1970), S. 903-919 
    Details
    ISSN: 0449-2978
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Mechanical properties of four kinds of natural rubber vulcanizates differing in vulcanization conditions, and consequently in degree of crosslinking (having values of the Mooney-Rivlin constant C1 ranging from 0.68 to 1.98) were observed under orthogonal biaxial stretching in a range of strain invariants Ii from 3.4 to 9.0 (extension ratios λi from 0.7 to 3.0). The results obtained were analyzed by two methods. One method employed the Valanis-Landel postulate that the strain-energy function W(λ1, λ2, λ3) is a separable symmetric function of the principal extension ratios, i.e., W(λ1,λ2,λ3) = w(λ1) + w(λ2) + w(λ3); the other utilized the contour plots of ∂W(I1, I2)/∂I1 and ∂W(I1, I2)/∂I2 surface within the (I1, I2) domain. The postulate for W was examined in detail with good agreement with experimental results. The dependences of ∂W(I1, I2)/∂I1 and ∂W(I1, I2)/∂I2 surfaces on the degree of crosslinking and temperature were further investigated, with the following conclusions. The surfaces have fairly steep slopes for the region of relatively small deformation (i.e., I1 〈 5) and become flat with increasing Ii for all the test specimens. The slope becomes less steep with decreasing degree of crosslinking. The values of ∂W/∂I1 increase linearly and the ∂W(I1,I2)/∂I2 surface becomes flat, both with increasing temperature: i.e., the temperature dependence of ∂W/∂I1 further depends on Ii. The ∂W(I1,I2)/∂I2 surface has a maximum near 40°C.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1970.160080607
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  • 9
    Electronic Resource
    Electronic Resource
    Mechanical anisotropy of regenerated cellulose films in relation to orientations of crystalline and noncrystalline phasesPresented before the 21st Annual Meeting of the Chemical Society, Japan, Kansai University, Osaka, April 2, 1968. (1969)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-2: Polymer Physics 7 (1969), S. 325-355 
    Details
    ISSN: 0449-2978
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The mechanical anisotropy of regenerated cellulose films is investigated, first, on the basis of the theory of infinitesimal elasticity. Fairly good agreement of calculated with observed results is obtained on the basis of orthogonal anisotropy with respect to the machine direction and the transverse and thickness directions of the films. The shear modulus G23 along the film plane and the Poisson ratio v32 are 1.5 times; 102 kg/mm2 and about 0.4, respectively, in the standard dry state. Second, the mechanical anisotropy in three different dry states is analyzed in terms of the degree of biaxial orientation of two kinds of structural units, cellulose II crystallites and noncrystalline chain segments, and their mechanical anisotropy. The calculation for averaging the mechanical anisotropies of these structural units on the basis of the homogeneous strain hypothesis gives results much higher than the experimental data, whereas the calculation on the basis on the homogeneous stress hypothesis gives results rather lower than experiment. As a modification of the two extreme calculations, a different averaging gives considerably better agreement between the calculated and observed results. The mechanical anisotropy in the wet state is further analyzed primarily in terms of the degree of biaxial orientation of noncrystalline chains by a modification of Krigbaum treatment, based on application of the kinetic theory of entropy elasticity for semicrystalline polymers, to anisotropic systems. The calculation gives results, however, much lower than those obtained experimentally, unless the ratio of the end-to-end distance of the noncrystalline chain to its fully stretched length is taken as unusually large. This may be due to underestimation of the contribution of the crystalline phase to terms of the same type as appear in the Krigbaum treatment.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1969.160070207
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