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1.发明授权公开(公告)号：US11168377B2
公开(公告)日：2021-11-09
申请号：US16525473
申请日：2019-07-29
Applicant: Purdue Research Foundation
Abstract: Processes for producing continuous bulk forms of iron-silicon alloys and bulk forms produced thereby. Such a bulk form is continuous in a longitudinal direction thereof and has a continuous cross-sectional form transverse to the longitudinal direction. The bulk form is formed of an Fe—Si alloy and has a crystallographic texture that comprises and {110} fibers that are inclined relative to the longitudinal direction. The bulk form may be produced by a process that includes deforming a solid body formed of an Fe—Si alloy with a cutting tool in a single step to continuously produce a continuous bulk form from material obtained from the solid body.
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2.发明申请PROCESSES FOR PRODUCING CONTINUOUS BULK FORMS OF IRON-SILICON ALLOYS AND BULK FORMS PRODUCED THEREBY 审中-公开用于生产连续生产的硅铝合金及其生产的大块形式的方法公开(公告)号：US20170058375A1
公开(公告)日：2017-03-02
申请号：US15247322
申请日：2016-08-25
Applicant: Purdue Research Foundation
CPC classification number: C21D9/46 , C21D6/008 , C21D8/0226 , C21D8/0273 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06
Abstract: Processes for producing continuous bulk forms of iron-silicon alloys and bulk forms produced thereby. Such a bulk form is continuous in a longitudinal direction thereof and has a continuous cross-sectional form transverse to the longitudinal direction. The bulk form is formed of an Fe—Si alloy and has a crystallographic texture that comprises and {110} fibers that are inclined relative to the longitudinal direction. The bulk form may be produced by a process that includes deforming a solid body formed of an Fe—Si alloy with a cutting tool in a single step to continuously produce a continuous bulk form from material obtained from the solid body.
Abstract translation: 用于生产连续散装形式的铁 - 硅合金和由此生产的散装形式的方法。 这种散装形式在其纵向上是连续的，并且具有横向于纵向的连续横截面形状。 本体形式由Fe-Si合金形成，并且具有包括相对于纵向方向倾斜的<111>和{110}纤维的晶体结构。 散装形式可以通过一种方法来生产，该方法包括使用切割工具在一个步骤中使由Fe-Si合金形成的固体本体变形，以从固体物质获得的材料连续地产生连续的散装形式。
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公开(公告)号：US20210205940A1
公开(公告)日：2021-07-08
申请号：US17091400
申请日：2020-11-06
Applicant: Purdue Research Foundation
Inventor： Tatsuya Sugihara , Srinivasan Chandrasekar , Anirudh Udupa , Koushik Viswanathan , Kevin Paul Trumble , James Bradley Mann
Abstract: Methods of inducing segmented flow in a material in which a ductile flow mode would otherwise occur during machining. A monolayer molecular film is formed on a surface of a body of a material in a state such that the material exhibits ductile flow when subjected to shear. The monolayer molecular film has molecules each having a head group adsorbed to the surface, a terminal group, and a hydrocarbon chain therebetween having a chain length of greater than 6. A surface portion of the body is removed by engaging the body with a tool in a contact region below the surface of the body and moving the tool relative to the body to remove the surface portion and the monolayer molecular film thereon. The monolayer molecular film induces segmented flow in the material during the removing of the surface portion.
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4.发明授权公开(公告)号：US10364477B2
公开(公告)日：2019-07-30
申请号：US15247322
申请日：2016-08-25
Applicant: Purdue Research Foundation
Abstract: Processes for producing continuous bulk forms of iron-silicon alloys and bulk forms produced thereby. Such a bulk form is continuous in a longitudinal direction thereof and has a continuous cross-sectional form transverse to the longitudinal direction. The bulk form is formed of an Fe—Si alloy and has a crystallographic texture that comprises and {110} fibers that are inclined relative to the longitudinal direction. The bulk form may be produced by a process that includes deforming a solid body formed of an Fe—Si alloy with a cutting tool in a single step to continuously produce a continuous bulk form from material obtained from the solid body.
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公开(公告)号：US20160018811A1
公开(公告)日：2016-01-21
申请号：US14802804
申请日：2015-07-17
Applicant: Purdue Research Foundation
IPC: G05B19/18
CPC classification number: G05B19/182 , B23B1/00 , B23B2222/12 , B23B2222/21 , B23B2222/52 , B23B2222/64 , B23B2222/88 , B23B2270/30 , G05B2219/31376 , G05B2219/45044
Abstract: A method for controlling flow localization in machining process is disclosed. By application of a constraint of sufficient level in the deformation zone and modifying the surface boundary conditions, suppression of unsteady flow and flow instabilities is achieved. The method enhances machined component quality by ensuring a uniform deformation state on the machined surface. Machined components are produced by ensuing uniform deformation by adopting constrained-cutting process for suppressing the instabilities and unsteady flow through a pre-determined location of the constraint of the constrained machining process relative to the machining tool.
Abstract translation: 公开了一种用于控制加工过程中流动定位的方法。 通过在变形区域施加足够水平的约束并修改表面边界条件，实现了不稳定流动和流动不稳定性的抑制。 该方法通过确保加工表面上的均匀变形状态来提高加工零件质量。 通过采用约束切割工艺来抑制不稳定性和不稳定流动通过约束加工过程相对于加工工具的约束的预定位置，由此产生加工部件。
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Patent Agency Ranking
公开(公告)号：US11135616B2
公开(公告)日：2021-10-05
申请号：US16571625
申请日：2019-09-16
Applicant: Purdue Research Foundation
Inventor： Ho Yeung , Koushik Viswanathan , Walter Dale Compton , Srinivasan Chandrasekar
Abstract: Methods of machining a body to produce a chip wherein the body is formed of a material and in a state such that the material exhibits sinuous flow during a machining operation. The methods include providing a layer located on a surface of the body, and machining the body by causing engagement between a cutting tool and the body in a contact region below an area of the surface having the coating layer thereon and moving the cutting tool relative to the body to produce the chip having the layer thereon. The layer reduces sinuous flow in the material of the body.
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公开(公告)号：US20200023405A1
公开(公告)日：2020-01-23
申请号：US16571625
申请日：2019-09-16
Applicant: Purdue Research Foundation
Inventor： Ho Yeung , Koushik Viswanathan , Walter Dale Compton , Srinivasan Chandrasekar
Abstract: Methods of machining a body to produce a chip wherein the body is formed of a material and in a state such that the material exhibits sinuous flow during a machining operation. The methods include providing a layer located on a surface of the body, and machining the body by causing engagement between a cutting tool and the body in a contact region below an area of the surface having the coating layer thereon and moving the cutting tool relative to the body to produce the chip having the layer thereon. The layer reduces sinuous flow in the material of the body.
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8.发明申请METHODS OF REDUCING SINUOUS FLOW DURING MACHINING AND PRODUCTS FORMED THEREBY 审中-公开减少机械加工过程中产生的流量和形成的产品的方法公开(公告)号：US20170014862A1
公开(公告)日：2017-01-19
申请号：US15212935
申请日：2016-07-18
Applicant: Purdue Research Foundation
Inventor： Ho Yeung , Koushik Viswanathan , Walter Dale Compton , Srinivasan Chandrasekar
CPC classification number: B05D3/002 , B05D2202/00 , B23B1/00 , B23B25/02 , B23B2228/10 , B23B2228/24 , B23B2228/28
Abstract: Methods of machining a body to produce a chip are provided wherein the body is formed of a material and in a state such that the material exhibits sinuous flow during a machining operation. The methods include providing a layer located on a surface of the body, and machining the body by causing engagement between a cutting tool and the body in a contact region below an area of the surface having the coating layer thereon and moving the cutting tool relative to the body to produce the chip having the layer thereon. The layer reduces sinuous flow in the material of the body and the chip is formed primarily by laminar flow.
Abstract translation: 提供了加工机身以制造芯片的方法，其中主体由材料形成并且处于使得在加工操作期间材料呈现弯曲状态的状态。 所述方法包括提供位于主体表面上的层，并且通过在其上具有涂层的表面的区域下方的接触区域中引起切削工具和主体之间的接合来加工主体，并且相对于 制造具有其上的层的芯片的主体。 该层减少了主体材料中的弯曲流动，并且芯片主要由层流形成。
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公开(公告)号：US20240344270A1
公开(公告)日：2024-10-17
申请号：US18633316
申请日：2024-04-11
Applicant: Purdue Research Foundation
Abstract: Methods of increasing formability of a palm sheath material, methods of producing a palm sheath-based product, and palm sheath foodware produced thereby. The formability of a palm sheath material is increased by treating the palm sheath material with a fluid substance that weakens bonds between cellulose fibers of the palm sheath material by partially eliminating lignin and hemicellulose of the palm sheath material. The treated palm sheath material can be used to form various products, such as foodware products by deforming the treated palm sheath material into a shape. Advantageously, the treated palm sheath material can typically be deformed by stretching or punching using dies to a height to diameter aspect ratio of greater than 0.2 and/or to a limit strain of the palm sheath material greater than 0.38.
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公开(公告)号：US12053810B2
公开(公告)日：2024-08-06
申请号：US16681480
申请日：2019-11-12
Applicant: Purdue Research Foundation
Inventor： Kevin Paul Trumble , Xiaolong Bai , Srinivasan Chandrasekar , James Mann
CPC classification number: B21B1/26 , C21D8/0236 , C21D9/46 , C22F1/04
Abstract: Processes for producing sheet metal products by machining a solid metal body with a cutting tool in a single step to continuously produce a continuous bulk form from material obtained from the solid metal body, and without performing a hot rolling operation thereon, cold rolling the continuous bulk form to produce a sheet metal product. The machining step is a large-strain machining process capable of being directly performed on an as-cast ingot or other solid body to produce a continuous intermediate product that can be directly cold rolled without any intervening hot rolling operation, and optionally without homogenization or annealing.
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