Submitted on: 01 February 1998.
Revised on: 17 April 1998.
Accepted on: 15 May 1998.
___________________Ceramics International---ELSEVIER SCI LTD
Submitted on: 04 August 2018.
Revised on: 14 November 2018.
Accepted on: 20 December 2018.
___________________Ceramics International---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/51/5019/5019-33.png
Submitted on: 23 October 2018.
Revised on: 04 January 2019.
Accepted on: 11 February 2019.
___________________Ceramics International---ELSEVIER SCI LTD
Submitted on: 11 July 2017.
Revised on: 13 September 2017.
Accepted on: 02 November 2017.
___________________Ceramics International---ELSEVIER SCI LTD
Submitted on: 15 April 2019.
Revised on: 22 May 2019.
Accepted on: 08 June 2019.
___________________Ceramics International---ELSEVIER SCI LTD