US 11,927,230 B2
Friction brake body for a friction brake, friction brake and method for producing a friction brake body
Ilja Potapenko, Biedenkopf (DE); Christian Schnatterer, Oberursel (DE); Thomas Pfeiffer, Steffenberg (DE); Kangjian Wu, Marburg (DE); and Simon Loskyll, Neustadt (DE)
Assigned to Robert Bosch GmbH, Stuttgart (DE)
Appl. No. 17/611,218
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed May 15, 2020, PCT No. PCT/EP2020/063595
§ 371(c)(1), (2) Date Nov. 15, 2021,
PCT Pub. No. WO2020/234147, PCT Pub. Date Nov. 26, 2020.
Claims priority of application No. 10 2019 207 291.7 (DE), filed on May 18, 2019.
Prior Publication US 2022/0213940 A1, Jul. 7, 2022
Int. Cl. F16D 65/12 (2006.01); B32B 15/01 (2006.01); F16D 69/02 (2006.01); B23K 26/342 (2014.01); B23K 101/00 (2006.01); B23K 103/02 (2006.01); B23K 103/16 (2006.01); F16D 55/22 (2006.01); F16D 65/02 (2006.01)
CPC F16D 65/125 (2013.01) [B32B 15/011 (2013.01); F16D 65/127 (2013.01); F16D 69/027 (2013.01); B23K 26/342 (2015.10); B23K 2101/006 (2018.08); B23K 2103/02 (2018.08); B23K 2103/16 (2018.08); B32B 2250/02 (2013.01); B32B 2475/00 (2013.01); B32B 2605/00 (2013.01); F16D 55/22 (2013.01); F16D 2065/132 (2013.01); F16D 2065/1344 (2013.01); F16D 2200/0013 (2013.01); F16D 2200/0021 (2013.01); F16D 2200/0078 (2013.01); F16D 2250/0076 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A friction brake element for a friction brake of a motor vehicle, comprising:
a main element having a frictional contact surface;
at least one antiwear layer disposed on the frictional contact surface, the at least one antiwear layer formed of ferritic-austenitic steel and having embedded hard material particles; and
an intermediate layer composed of pure ferritic-austenitic steel disposed between the at least one antiwear layer and the main element.