公开(公告)号：US11299795B2

公开(公告)日：2022-04-12

申请号：US16473875

申请日：2018-01-09

Applicant: NV Bekaert SA

Inventor： Christophe Mesplont ,  Tim Bruggeman ,  Franky Beyens ,  Jan Holvoet ,  Gregory Lapeire

IPC: C21D1/64 ,  C21D9/573

Abstract: The controlled cooling of previously heated and substantially straight steel wires of diameter more than 3.5 mm to a predetermined temperature including the steps: guiding the wires along individual paths through first coolant bath having bath liquid of water and a stabilizing additive, the bath liquid and the wires create a steam film around each wire along individual paths; directing an impinging liquid immersed inside first coolant bath towards the wires over a length along individual paths to cool down the wires, the impinging liquid decreases the thickness of the steam film or destabilizes the steam film, increasing speed of cooling over the length along individual paths; guiding the wires along individual paths out of the first coolant bath to be cooled down in air; after the further cooling, guiding the wires along individual paths through second coolant bath.

公开(公告)号：US10655288B2

公开(公告)日：2020-05-19

申请号：US16068201

申请日：2017-02-08

Applicant: NV Bekaert SA

Inventor： Henk Cornelus ,  Steven Derycke ,  Christophe Mesplont ,  Filip De Coninck ,  Björn Maiheu

IPC: E01F15/04 ,  D07B1/06

Abstract: Assembly for energy absorption, comprising m number of substantially straight steel wires and n number of curved steel cords, at least one of the m number of substantially straight steel wires having a tensile strength of at least 1000 MPa and an elongation at fracture of at least 5%, at least one of the n number of curved steel cords having a tensile strength of at least 2000 MPa and an elongation at fracture of at least 2%, wherein m and n are integers m>1, n>1, and at least one of the m number of substantially straight steel wires and at least one of the n number of curved steel cords are fixed together along their longitudinal direction, and the elongation at fracture of at least one of the m number of substantially straight steel wires is at least 2% larger than the elongation at fracture of at least one of the n number of curved steel cords such that the elongation curve of the assembly comprises three zones (11, 11′, 12, 12′, 13, 13′), wherein a first zone (11,11′) is characterized by an elastic deformation of the substantially straight steel wires, a second zone (12,12′) is characterized by the plastic deformation of the substantially straight steel wires and a third zone (13,13′) is composed of the continued plastic deformation of the substantially straight steel wires and the elastic deformation of the curved steel cords.

公开(公告)号：US20140227546A1

公开(公告)日：2014-08-14

申请号：US14345828

申请日：2012-09-19

Applicant: NV BEKAERT SA

Inventor： Christophe Mesplont ,  Walther Van Raemdonck

IPC: C21D8/06 ,  F16F7/00 ,  F16F1/02 ,  F16L11/02 ,  D07B1/06

CPC classification number: D07B1/068 ,  C21D1/19 ,  C21D1/22 ,  C21D8/06 ,  C21D8/065 ,  C21D9/52 ,  C21D9/525 ,  C21D2211/001 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  D07B2201/2009 ,  F16F1/021 ,  F16F7/00 ,  F16L11/02 ,  Y10T428/12

Abstract: A high-carbon steel wire has as steel composition: a carbon content ranging from 0.40 weight percent to 0.85 weight percent, a silicon content ranging from 1.0 weight percent to 2.0 weight percent, a manganese content ranging from 0.40 weight percent to 1.0 weight percent, and a chromium content ranging from 0.0 weight percent to 1.0 weight percent. The remainder is iron. This steel wire has as metallurgical structure a volume percentage of retained austenite ranging from 4 percent to 20 percent, while the remainder is tempered primary martensite and untempered secondary martensite. The steel wire is obtained by partitioning after quenching.

Abstract translation: 高碳钢丝具有钢组成：碳含量为0.40重量％至0.85重量％，硅含量为1.0重量％至2.0重量％，锰含量为0.40重量％至1.0重量％ 铬含量为0.0〜1.0重量％。 剩下的是铁。 该钢丝具有冶金结构，残余奥氏体的体积百分比为4％至20％，而其余为回火初级马氏体和未回火的次级马氏体。 淬火后通过分配获得钢丝。

公开(公告)号：US10570479B2

公开(公告)日：2020-02-25

申请号：US15537998

申请日：2016-01-28

Applicant: NV Bekaert SA

Inventor： Christophe Mesplont ,  Geert Tempelaere ,  Wim Van Haver ,  Maarten De Clercq

IPC: C22C38/34 ,  C21D9/52 ,  C21D8/06 ,  C21D1/25 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18

Abstract: An elongated steel element having a non-round cross-section and being in a work-hardened state, said elongated steel element having as steel composition: a carbon content ranging from 0.20 weight percent to 1.00 weight percent, a silicon content ranging from 0.05 weight percent to 2.0 weight percent, a manganese content ranging from 0.40 weight percent to 1.0 weight percent, a chromium content ranging from 0.0 weight percent to 1.0 weight percent, a sulfur and phosphor content being individually limited to 0.025 weight percent, contents of nickel, vanadium, aluminium, molybdenum or cobalt all being individually limited to 0.5 weight percent, the remainder being iron and unavoidable impurities, said steel having martensitic structure that comprises martensitic grains, wherein a fraction of at least 10 volume percent of martensitic grains is oriented.

公开(公告)号：US10400319B2

公开(公告)日：2019-09-03

申请号：US14764264

申请日：2014-01-24

Applicant: NV BEKAERT SA

Inventor： Christophe Mesplont ,  Davy Poelman

IPC: C22C38/60 ,  C21D9/52 ,  C21D9/573 ,  C21D1/63 ,  C21D1/64 ,  C21D1/18 ,  C21D6/00 ,  C21D9/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/16 ,  C22C38/20 ,  C22C38/24

Abstract: A method of and an equipment for controlled cooling of one or multiple previously heated, straight, and thick steel wire to a predetermined temperature range between 400° C. and 650° C. Each of the thick steel wires is subjected to a controlled cooling-transformation treatment from austenite to pearlite, which occurs substantially after the wire leaves a forced water cooling length.