11月,Suede在其官方网站上平静地宣布解散,淡淡说了一句“See you in the next life”,令人肝肠寸断。 Suede的美,有如罂粟花:外表艳丽、诱惑力十足,同时很容易让人上瘾。这是很特别的声音,可以把它想象成在电子乐声中肆意扭摆的蛇,抑...11月,Suede在其官方网站上平静地宣布解散,淡淡说了一句“See you in the next life”,令人肝肠寸断。 Suede的美,有如罂粟花:外表艳丽、诱惑力十足,同时很容易让人上瘾。这是很特别的声音,可以把它想象成在电子乐声中肆意扭摆的蛇,抑或怒放在清水里伤艳的玫瑰,甚至仅仅是一块山羊皮,冰凉的山羊皮,涂抹上一大块农重色彩,极其媚眼。展开更多
Innovative pulsed current-assisted multi-pass rolling tests were conducted on a 12-roll mill during the rolling deformation processing of SUS304 ultra-thin strips.The results show that in the first rolling pass,the ro...Innovative pulsed current-assisted multi-pass rolling tests were conducted on a 12-roll mill during the rolling deformation processing of SUS304 ultra-thin strips.The results show that in the first rolling pass,the rolling reduction rate of a conventionally rolled sample(at room temperature)is 33.8%,which can be increased to 41.5%by pulsed current-assisted rolling,enabling the formation of an ultra-thin strip with a size of 67.3μm in only one rolling pass.After three passes of pulsed current-assisted rolling,the thickness of the ultra-thin strip can be further reduced to 51.7μm.To clearly compare the effects of a pulsed current on the microstructure and mechanical response of the ultra-thin strip,ultra-thin strips with nearly the same thickness reduction were analyzed.It was found that pulsed current can reduce the degree of work-hardening of the rolled samples by promoting dislocation detachment,reducing the density of stacking faults,inhibiting martensitic phase transformation,and shortening the total length of grain boundaries.As a result,the ductility of ultra-thin strips can be effectively restored to approximately 16.3%while maintaining a high tensile strength of 1118 MPa.Therefore,pulsed current-assisted rolling deformation shows great potential for the formation of ultra-thin strips with a combination of high strength and ductility.展开更多
文摘11月,Suede在其官方网站上平静地宣布解散,淡淡说了一句“See you in the next life”,令人肝肠寸断。 Suede的美,有如罂粟花:外表艳丽、诱惑力十足,同时很容易让人上瘾。这是很特别的声音,可以把它想象成在电子乐声中肆意扭摆的蛇,抑或怒放在清水里伤艳的玫瑰,甚至仅仅是一块山羊皮,冰凉的山羊皮,涂抹上一大块农重色彩,极其媚眼。
基金This work was supported by the fund of the National Natural Science Foundation of China(51974196)Major Program of National Natural Science Foundation of China(U22A20188)+1 种基金Science and Technology Innovation Teams of Shanxi Province(202304051001025)Central Government Guides the Special Fund Projects of Local Scientific and Technological Development(YDZX20191400002149).
文摘Innovative pulsed current-assisted multi-pass rolling tests were conducted on a 12-roll mill during the rolling deformation processing of SUS304 ultra-thin strips.The results show that in the first rolling pass,the rolling reduction rate of a conventionally rolled sample(at room temperature)is 33.8%,which can be increased to 41.5%by pulsed current-assisted rolling,enabling the formation of an ultra-thin strip with a size of 67.3μm in only one rolling pass.After three passes of pulsed current-assisted rolling,the thickness of the ultra-thin strip can be further reduced to 51.7μm.To clearly compare the effects of a pulsed current on the microstructure and mechanical response of the ultra-thin strip,ultra-thin strips with nearly the same thickness reduction were analyzed.It was found that pulsed current can reduce the degree of work-hardening of the rolled samples by promoting dislocation detachment,reducing the density of stacking faults,inhibiting martensitic phase transformation,and shortening the total length of grain boundaries.As a result,the ductility of ultra-thin strips can be effectively restored to approximately 16.3%while maintaining a high tensile strength of 1118 MPa.Therefore,pulsed current-assisted rolling deformation shows great potential for the formation of ultra-thin strips with a combination of high strength and ductility.
