JPS635397U - - Google Patents

Info

Publication number

JPS635397U

JPS635397U JP9727086U JP9727086U JPS635397U JP S635397 U JPS635397 U JP S635397U JP 9727086 U JP9727086 U JP 9727086U JP 9727086 U JP9727086 U JP 9727086U JP S635397 U JPS635397 U JP S635397U

Authority

JP

Japan

Prior art keywords

ferrite

coating layer

alumina

comes

tool material

Prior art date

1986-06-25

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 229910000859 α-Fe Inorganic materials 0.000 claims description 4
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
• 239000011247 coating layer Substances 0.000 claims description 2
• 238000010304 firing Methods 0.000 claims description 2
• 239000000463 material Substances 0.000 claims description 2