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3篇 您的检索式：作者名="J.Friedman"

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		题名	作者	年代	出处	被引量
	1	Twin Growth and Texture Evolution in an Extruded AM30 Magnesium Alloy During Compression显示文摘The aim of this study was to examine and quantify the growth of extension twins and the associated texture change in an extruded AM30 magnesium alloy during compression along the extrusion direction.Three stages of twin growth with increasing strain were observed due to twin-dislocation interactions,together with increasing texture volume fraction of f1210g<0001>and f0110g<0001>components.Stage I was characterized by a relatively slow and gradually accelerating growth.A steady-state twin growth was reached in stage II,where the twin width increased linearly with increasing strain.Stage III twin growth became decelerated,exhibiting a plateau-like character.	D.Sarker J.Friedman D.L.Chen	2014	Journal of Materials Science & Technology2014，30，9：	8
	2	De-twinning and Texture Change in an Extruded AM30 Magnesium Alloy during Compression along Normal Direction显示文摘Twinning and de-twinning are the salient deformation mechanisms in hexagonal close-packed(hcp)metals. The aim of this study was to examine and quantify the de-twinning process involving a reversible motion of twin boundaries in an extruded AM30 magnesium alloy after re-compression along the normal direction(ND) of pre-compressed samples along the extrusion direction(ED). {1012} extension twins were first introduced at a compressive strain of 3.7% along the ED. The subsequent compressive deformation along the ND induced a gradual shrinkage of twins with increasing cumulative true strain,and the complete de-twinning occurred at a strain of ~7.7%. The twin width decreased linearly with increasing true strain. Texture measurements verified the rotation of c-axes of hcp unit cells towards the anti-compression direction due to {1012} extension twinning after compression along the ED, and a gradual return of c-axes to the initial orientation due to twin shrinking or de-twinning during the following compression along the ND. The {1012} twinning corresponded to the formation of new texture components C{1210}<0001> and D{0110}<0001> and a decrease in the initial texture components A{0001}<2110> and B{0001}<1010>, while the twin shrinking or de-twinning was characterized by a gradual vanishing of components C{1210}<0001> and D{0110}<0001> and an increase in the components A{0001}<2110> and B{0001}<1010>.	D.Sarker J.Friedman D.L.Chen	2015	Journal of Materials Science & Technology2015，31，3：	8
	3	The Social Cost of Cheap Pseudonyms显示文摘	Eric J.Friedman* PaulResnick	2004	Journal of Economics & Management Strategy2004，，2：	1

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