61. |
- Frietsch, Rudyard
(författare)
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On the magmatic origin of iron ores of the Kiruna type : reply
- 1984
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Ingår i: Economic geology and the bulletin of the Society of Economic Geologists. - : Society of Economic Geologists. - 0361-0128 .- 1554-0774. ; 79:8, s. 1949-1951
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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62. |
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63. |
- Govada, Anil K., et al.
(författare)
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Acusto-ultrasonic measurements to minitor damage during fatigue of composistes
- 1984
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Ingår i: 1984 advances in aerospace sciences and engineering. - New York : American Society of Mechanical Engineers. ; , s. 55-60
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Konferensbidrag (refereegranskat)abstract
- An acousto-ultrasonic technique was used to monitor damage initiation and development in (0, 90//2)//s, (0, plus or minus 45)//s, and (0, 90, plus or minus 45)//s graphite epoxy laminates. The laminates were either loaded in quasi-static tension or were fatigued with tension-tension loading cycles. At a number of intermediate stages (strain levels for quasi-static tests and load cycles for the fatigue tests), the loading was halted and the acousto-ultrasonic measurements were made on the specimens. Several quantitative parameters, which include moments and ratios of moments of the frequency spectrum, were found to correlate extremely well with the stiffness change and the stress-strain behavior of the specimens.
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64. |
- Grip, Carl-Erik, et al.
(författare)
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Applications of HSLA steels for beams and small flats
- 1984
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Ingår i: HSLA steels technology & [and] applications. - Metals Park, Ohio : ASM International. - 087170191X ; , s. 1115-1127
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Konferensbidrag (refereegranskat)abstract
- The metallurgy of these steels is discussed. User problems and solutions are discussed for steel construction, the automotive industry, shipbuilding, offshore and the workshop industry. Optimum strength with respect to plastic deformation, deflection, instability and fatigue is discussed. Some examples of optimal designs are given.
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65. |
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66. |
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67. |
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68. |
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69. |
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70. |
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