A powder metallurgy lubricant includes an aromatic carboxylic acid represented by a formula (1),
(Z)n-Ar-COOH (1)
where Ar represents an aryl group and Z represents a substituent directly bonded to the above aryl group and is one of R, OR, OCOR and COOR, R representing one of an alkyl group, alkenyl group and alkynyl group and n being an integer in a range from 1 to 4. Z may be mutually the same or different when n is 2 or larger.
粉末冶
金润滑剂包括由式 (1) 表示的芳香族
羧酸、
(Z)n-Ar-COOH (1)
其中 Ar 代表芳基,Z 代表直接键合在上述芳基上的取代基,是 R、OR、OCOR 和 COOR 中的一种,R 代表烷基、烯基和炔基中的一种,n 是 1 至 4 的整数,当 n 为 2 或更大时,Z 可以相互相同或不同。