INCREASING THE LIFE OF THE CENTER PLATE-CENTER BOWL FRICTION UNIT OF A FREIGHT CAR BY APPLYING A COMBINED COATING FORMED BY ELECTROSPARK ALLOYING

INCREASING THE LIFE OF THE CENTER PLATE-CENTER BOWL FRICTION UNIT OF A FREIGHT CAR BY APPLYING A COMBINED COATING FORMED BY ELECTROSPARK ALLOYING // Russian Engineering Research. 2021. DOI: 10.36652/0042-4633-2021-10-70-73. R